12 Pack Bundle of First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Name: 12 Pack Bundle of First Alert Hardwired Smoke Alarm with Battery Backup - 9120B
Brand: First Alert
SKU: 9120B
Price: 124.80 USD
Availability: InStock
Rating: 5 (542 reviews)

Ionization Wired In Smoke Detector

Availability: In Stock

Regular: $359.40

Price: $124.80

You Save: $234.60

- 542 Customer Reviews

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Description
Installation
FAQs
Manuals
Video
Bulk

Hardwired Smoke Alarm with Battery Backup:

Designed to help promote household safety, the First Alert 9120B Hardwired Smoke Alarm with Battery Backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.

Ionization Sensor Reliably Detects Flaming Fires

The First Alert 9120B Hardwired Smoke Alarm with Battery Backup comes equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials.

Gasket-less for Easy Installation

To facilitate hassle-free installation, this smoke alarm features a streamlined mounting system with a gasket-less base. The mounting bracket keeps the alarm secure over a wide rotation range while maintaining perfect alignment. The alarm also comes with a dust cover to keep the unit clean during construction. AC-powered smoke alarms must be installed in accordance with all local electrical codes.

Battery Backup for Detection During a Power Outage

This smoke alarm is designed for hardwired installation, but it also features a battery backup that helps ensure continued functionality in the event of a power outage. The unit comes with a 9-volt battery and features a pivoting, easy-to-access battery drawer that allows you to replace the battery without dismounting the alarm.

Works in Tandem with Other First Alert Alarms

In addition to functioning independently, this smoke alarm can also integrate with up to 12 other First Alert or BRK hardwired alarms for coverage of larger spaces. It also integrates with up to six other compatible devices, such as bells, horns, and repeaters. If one alarm in the series is triggered, they will all sound. The alarm features a latching indicator to identify which unit triggered the alarm, alerting you to the area of danger.

First Alert Smoke Alarm 9120B

Recommended replacement for the following obsolete models:

BRK 4120B
BRK 4120SB
BRK 86RAC
First Alert SA4120B
First Alert SA4121B
First Alert SA4919B

Product Details

Ionization smoke sensor is optimal for detecting fast flaming fires.
Loud 85dB alarm.
Tamper resistant locking pins.
Single button silence/test.
120V AC power with 9V battery backup (included) to keep alarm functioning during power outage.
Open mounting design for easy installation with side load battery compartment for quick replacement.
Interconnectable up to 18 units (12 smoke, 6 CO/heat/relay).
Emits T3 Pattern.
10 Year Limited Warranty.
Product Dimensions (LxWxH): 5.6 x 1.9 x 5.6 in.
Product Weight: .60 lbs.

Product Specs

UPC:

029054513014

MPN:

9120B

Category:

Smoke Alarms and Smoke Detectors

How to Install First Alert 9120B Hardwired Smoke Alarms:

In this guide, we'll be showing you how to install First Alert Hardwired Smoke and Carbon Monoxide Alarms. Here are a few items you'll need before starting the installation process: Needle-nose pliers or utility knife, screwdriver, wire stripper, wire nuts and a ladder.

Hardwired Smoke or Carbon Monoxide Alarm Requirements:

120V household electrical circuit (unswitched 120VAC)
Standard wiring junction box to a 4 in. (10 cm) size, on either the ceiling or wall
Selecting an appropriate location to install your smoke and carbon monoxide alarms (see below guidelines for additional information):
- When installing an alarm on the wall, the top edge of an alarm should be placed between 4 in. (100 mm) and 12 in. (300 mm) from the wall/ceiling line.
- When installing an alarm on the ceiling, place the alarm as close to the center as possible.
- In either case, install the alarm at least 4 in. (100 mm) from where the wall and ceiling meet.
- First Alert Smoke Alarm FAQs
- First Alert Carbon Monoxide Alarm FAQs

Connecting First Alert Hardwired Alarms to 120V Wiring

To begin, turn off power at the junction box and connect your alarm to the building's electrical wiring.

Locate the junction box and turn off power
Remove the power connector from the new alarm's packaging
Using wire nuts, attach the hot (black), neutral (white), and interconnect (orange) wires

first alert smoke alarm hardwired install guide

first alert wired in smoke alarm install guide

Black wire
(hot)

Attach to black wire on power connector

White wire
(neutral)

Attach to white wire on power connector

Orange wire
(interconnect)

Standalone (single-station) alarm: This wire is not needed; tuck the orange wire into the junction box.

Interconnected alarms:

Strip 1/2 in. from the orange wire on the connector
Use a wire nut to attach it to the orange wire in the junction box (see image below).

Mounting First Alert Hardwired Alarms

Secure the mounting bracket to the ceiling or wall using screws (included in the package)
Insert the power connector into the plug on the back of your alarm
Tuck any hanging wires into the junction box
Position the base of the alarm onto the bracket and turn it clockwise until it's secured
Remove the pull-tab to activate the backup battery

first alert carbon monoxide alarm install guide

first alert smoke and co detector install guide

Installing Additional and/or Interconnecting First Alert Hardwired Alarms

If you are installing more smoke or carbon monoxide alarms, you'll want to repeat the process throughout the building. Interconnected smoke and co alarms must meet all requirements:

The same fuse or circuit breaker must power all interconnected alarms.
Up to 18 compatible detectors can interconnect, with a limit of 12 smoke alarms.
The total length of wire interconnecting the alarms should be less than 1,000 ft. (300 meters). This type of wire is commonly available at hardware and electrical supply stores.
All wiring must conform to all local electrical codes and NFPA 70 (NEC). Refer to NFPA 72, NFPA 101, and your local building code for more information.
Interconnect wiring diagram:

If you have any doubts or reservations about these interconnect requirements, please contact an experienced electrician to install your wiring and hardwired alarms.

Restoring Power and Testing Hardwired Alarms

Once you've installed your hardwired alarms, you'll want to restore power to the junction box. Under regular operation, the power indicator light on the alarm will shine/blink to indicate that it is receiving AC power.

Here's how you can test standalone or interconnected alarms:

Standalone Alarms: Press and hold the Test/Silence button until the unit triggers an alarm.
Interconnected Alarms: Press and hold the Test/Silence button until the first unit triggers an alarm. All interconnected detectors should sound off. Repeat this process to test each alarm in the interconnected series.

Q: What is the proper placement of smoke alarms?

A: It is important that you have the proper placement for your smoke alarms. Install your alarms at least 20 feet from appliances like furnaces and ovens, which produce combustion particles. Alarms should be at least 10 feet from high humidity areas like showers and laundry rooms, and at least 3 feet from heat/AC vents. Be sure to install a smoke alarm in each bedroom, one at the top of each stairwell, and one on every level.

Q: Why doesn't my smoke alarm sound when I push the test button?

A: It is important that you frequently test your smoke alarms. When you are testing your smoke alarm, there are a number of reasons why the alarm might not sound:

You may not be holding the test button down long enough. Try holding it down for up to 10 seconds (20 seconds on photoelectric models) .
Your battery may not be installed properly or snapped all the way in place. Even if the alarm sounded briefly when the battery touched the terminals, you still need to make sure it is snapped securely in place. If the battery is loose, in cannot power the smoke alarm properly. After installing new batteries, be sure to test your smoke detector.
Your AC power may not be on. AC and AC/DC units will have a power indicator light (red or green) that shines continuously when they are receiving electrical power.
If you have a 10-Year model, the smoke alarm may not have been properly activated. If the tab broke away before the alarm was activated, you can use a toothpick to move the switch over to test the alarm.

Q: Why does my smoke alarm go off when I install a battery or turn on the AC power?

A: It is normal for smoke alarms to go off and sound briefly (up to 5-10 seconds) when you install a new battery or when they are powered up. If the alarm continues to go off and no smoke is present, the cause may be one of the following:

There may be insufficient battery power, try new batteries.
Problems with voltage or insufficient electrical power (brown out) may cause a continuous weak sounding alarm. For AC or AC/DC models, temporarily disconnect power at the service panel until the brown out is over. If you do not restore the AC power, your smoke alarms cannot warn you of a fire.
Incompatible warning device. If an incompatible alarm or auxiliary device is linked into a series of AC or AC/DC smoke alarms it may cause the system inadvertently go off.

Q: I lost my First Alert smoke alarm owner's manual. How can I get a new one?

A: First Alert smoke alarm owner's manuals are available online for download at no cost. Find your alarm in our Smoke Alarms section.

Q: Why does the National Fire Protection Association (NFPA) recommend that home smoke alarms be replaced after 10 years?

A: Smoke alarms have a limited life. Although each smoke alarm and all of its parts have passed many stringent tests and are designed to be as reliable as possible, any of these parts could fail over time. Therefore, you must test the devices weekly. The unit should be replaced immediately if it is not operating properly. The performance of smoke alarms older than 10 years is simply not reliable. To ensure your family's safety, all carbon monoxide and smoke/CO combination alarms need to be replaced every 5-7 years. All smoke alarms need to be replaced every 10 years.

First Alert 9120B Alarm Manual

First Alert 9120B Hardwired Smoke Alarm with Battery Backup Videos

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Customer Reviews

Write A Customer Review

5

Average score based on 542 reviews

First Alert 9120B Hardwired Smoke Alarm with Battery Backup Reviews

Great inexpensive smoke alarm!

Reviewed: 04/20/2021 by Stephen L

I recently bought a home that still had the original Kidde/FireX smoke detectors from 2002! I ordered these First Alert 9120B because I liked the value and trusted the brand. Installation went smoothly without any issues. I had to remove the existing wire nuts to replace the wire adapter going from Kidde to First Alert. That took a little more time but wasn't too difficult. These 9120B have worked great so far and no issues with false alarms at all. I would recommend these to friends and family.

9120B smoke alarm

Reviewed: 04/19/2021 by Jody G

We were very happy with the purchase experience. And was happy with the advice I received from your Customer Service Rep prior to me deciding to place my order

Gtreat store - great products

Reviewed: 04/18/2021 by Tom E

Love these hard-wired smoke detectors.

smoke alarm

Reviewed: 04/17/2021 by Thomas F

order was on time and good condition

Smoke Alarm

Reviewed: 04/10/2021 by Allen K

I have been using these alarms for more than 20 years. They have generally been good.

Easy Install

Reviewed: 04/10/2021 by Paul L

Fits smoothly on prior alarms set screws. Install took 3 minutes. Battery included.

First Alert 9120B Hardwired Smoke Alarm with Battery Backup

Reviewed: 04/01/2021 by JAMES R

Excellent replacement for both of my outdated smoke alarms.

ALWAYS BUY DIRECT!

Reviewed: 03/30/2021 by James E

XLNT price, XLNT service and EASY to follow instructions! Installed in less than 1/2 hour! THANK YOU!

Easy install- reliable

Reviewed: 03/26/2021 by Eric V

Had to replace our hardwired detectors that had long expired. First Alert was the first name that came to mind and they didnt disappoint. Their price was unbeatable, shipping was very quick and installation was a breeze. I was done replacing all the detectors in the house in under a half hour. Very satisfied!

Just a described

Reviewed: 03/25/2021 by David P

This was just a described and fit perfectly. It even came with a battery already installed.

Excellent online source

Reviewed: 03/23/2021 by William D

My order was placed with the FIrst Alert Store due to favorable pricing and accurate, useful information on product compatibility. Order fulfillment was both accurate and exceptionally fast. First class operation - worthy of your confidence!

Great

Reviewed: 03/23/2021 by Kathleen C

Easy to install and keep clean..never have an issue with these. Would recommend to all

Replace unit

Reviewed: 03/22/2021 by Thomas M

Very easy to take old unit off and put new unit on. I wish they sold just the unit without the housing and wire at a reduced price. Thanks

Replace unit

Reviewed: 03/22/2021 by Thomas M

Very easy to take old unit off and put new unit on. I wish they sold just the unit without the housing and wire at a reduced price. Thanks

Easy install- reliable

Reviewed: 03/22/2021 by Eric V

Had to replace our hardwired detectors that had long expired. First Alert was the first name that came to mind and they didn't disappoint. Their price was unbeatable, shipping was very quick and installation was a breeze. I was done replacing all the detectors in the house in under a half hour. Very satisfied!

First Alert 9210B hardwired-battery - Excellent

Reviewed: 03/21/2021 by Loren S

I needed to replace my expired First Alert after over 10 years of use. Easy install of same newer version. Highly recommended.

Easy purchase

Reviewed: 03/18/2021 by Rick M

Easy to order at a very good price

simple and good

Reviewed: 03/18/2021 by matthew s

had to replace old First Alert alarms that served us well, and these worked perfectly simply attaching to the old wiring.

Smoke Alarms

Reviewed: 03/18/2021 by Jeffrey Juszynski

Exact replacement! Replaced all my smoke alarms. Quick shipping.

6 pack of smoke detectors

Reviewed: 03/18/2021 by Dean Bozman

The pack of smoke detectors arrived as promised. They were easy to install and work perfectly. I would buy again from their website.

Reviewed: 03/15/2021 by Wendell Young

Products as advertised easy to install Customer service is excellent.

Perfect

Reviewed: 03/13/2021 by DANIEL MOLONEY

Worked perfectly, and best price online.

Smoke Detectors

Reviewed: 03/11/2021 by Aishwarya Raju

Very Good

Good and Bad

Reviewed: 03/10/2021 by Daniel Campbell

The item was as advertised but the shipping was painfully slow. I blame this on the carrier used , as I tracked the item it was stagnant for several days at a warehouse.

Customer Service Response:

We apologize for the delay, Mr. Campbell. We'll be contacting the carrier involved to make sure it does not happen again.

Easy install, fast ship

Reviewed: 03/10/2021 by Erin Rahn

Very easy to install, good price and a fast ship

First Alert Hardwired 9120B

Reviewed: 03/09/2021 by Vu Nguyen

I had to replace 7 of the 9120 model smoke alarms that were installed by the builder 15 years ago. The replacement alarms fit perfectly and it literally take a minute to install each alarm. I'm very happy with the purchase as it saves me $$$.

6 New 9120B Smoke Alarms

Reviewed: 03/06/2021 by David Brown

I received my 6 smoke alarms as stated on my order. Very securely packed and shipped as I expected. Instructions were included and very easy to follow replacement guidelines for older smoke alarms. Very pleased with the product and the quality. Installed very easily.

Replaced our alarms

Reviewed: 03/05/2021 by Larry Driskill

Our house is now well over 10 years old and the smoke alarms needed replacing. I was able to get the same model alarms from First Alert and that made the switch out easy. Delivery was quick and the order was complete. Full marks.

Hard wire smoke alarm

Reviewed: 03/05/2021 by Jasbinder Kooner

Ordered smoke detectors for my home, very easy to place orders shipped quickly and very easy to install. Excellent service and product!

Outstanding

Reviewed: 03/04/2021 by Aniello Moscato

Great service. Immediate delivery.

Easy install

Reviewed: 03/04/2021 by LAWRENCE REESE

I bought the 6 pack to swap out old smoke detectors. The wiring harness was exactly the same allowing me to change to the new mounting plate after unplugging the old ones, and simply plug in the new ones easily. Very pleased. Easy to do.

Amazing and easy install

Reviewed: 03/04/2021 by Hayley Brady

So easy to install. Works great

Good all around smoke alarm

Reviewed: 03/03/2021 by JAMES IVANCIK

This smoke alarm replaced an out of date unit. I'm glad this alarm was still available and matches the other 6 alarms I have in my house.

Outstanding

Reviewed: 03/03/2021 by Aniello Moscato

Great service. Immediate delivery.

Quick install

Reviewed: 03/02/2021 by Randolph Pischke

Very, very easy to install replacing the same detector after 20 years of use. Took about 3-4 minutes total.

Smoke alarm review

Reviewed: 03/01/2021 by Harry Quick

I haven't gotten them installed yet but I have been using the units that I currently have for 11 and a half years and they have been good,

Good experience

Reviewed: 02/26/2021 by Laura Conte

Had a few questions about installing these that were answered on the store page. Good, clear information and excellent customer service. Will be back again

Smoke alarm replacement

Reviewed: 02/25/2021 by William Weidman

First alert has made the process of replacing smoke alarms very easy..

9120B

Reviewed: 02/22/2021 by NANETTE RODRIGUEZ

Excellent replacement at a fair price.

reliable smoke detector

Reviewed: 02/21/2021 by Deborah Bodnar

I have new construction and used these throughout my home....feel safe

Perfect replacement

Reviewed: 02/19/2021 by michael cook

Replaced my 10 year old smoke detectors with these and they were perfect and only took a few minutes to replace both. Highly recommend this model if you have hardwired smoke detectors.

Smoke alarm replacement

Reviewed: 02/18/2021 by Jose Diaz Munoz

I bought this smoke alarm to replace one at home that became faulty. After searching in several places with no success including the store where I originally bought it from, I finally got this one in First Alert, that is identical to the one I had to replace. Installation was very easy and the fast response surprised me. I am very satisfied

Glad the 9120 model is still in use

Reviewed: 02/17/2021 by Victor Galande

House came with 9120B AC powered smoke detectors. Ordered replacements since its been over 10years and decided to upgrade 2 locations to a CO combo unit. So glad that I was able to use existing cabling for the SC9120LBL, as well as the smoke only model. Install for all 7 locations was under 30minutes.

Glad the 9120 model is still in use

Reviewed: 02/16/2021 by Victor Galande

Product- 9120B

Reviewed: 02/16/2021 by William Grabe

Excellent service-exactly what I needed& wanted. Quick delivery.

Easiest replacement ever

Reviewed: 02/16/2021 by G. Kinthaert

I needed to replace outdated and no longer supported hardwired smoke alarms and was initially worried about compatibility. While the mounting plate was a bit different it lined up nicely with previous screw mounts and these were a breeze to install, test and be operational. It took longer to get the ladder set up...

9120B smoke alarm

Reviewed: 02/15/2021 by LEONARD COHEN

Easily replaced my old unit without the need to rewire. Seems solid - previous similar units were very reliable

Home Detector

Reviewed: 02/15/2021 by David Throop

Product is great for our home protection.

Excellent replacement

Reviewed: 02/15/2021 by Florentino Hernandez

Excellent replacement for my existing smoke alarm system

Reviewed: 02/01/2021 by Stan Levine

Very good service

Time to replace

Reviewed: 02/01/2021 by Patrick Walsh

Needed to replace all of my home alarms as the previous ones had passed their expiration date. This was an easy fix these fixtures. And at a fraction of the price being offered by HD or Lowes.

Great Detector At A Great Price

Reviewed: 01/29/2021 by Josh Shendelman

I replaced an older First Alert with this one. It uses the same connection, so set up was a breeze. Highly recommended.

Simple to Update Your Home Alarms

Reviewed: 01/29/2021 by James Panaia

I bought 6 First Alert Smoke Alarms after 12 years of my old ones. They were simple to just plug in and twist on. Now I am good for 10 more years.

Perfect!

Reviewed: 01/29/2021 by KELLY BENNETT

The old unit was damage by a plumbing leak above it and this one is an exact match! Works great no false alert issues.

Nice design

Reviewed: 01/28/2021 by Paul Katzenstein

Have had these hard wired units for about 20 years. Great design and they work well when tested, but the low battery alarm can be very annoying beeping every 20 seconds at 3am.

good

Reviewed: 01/28/2021 by lingling dong

best quality

Smoke Alarm

Reviewed: 01/28/2021 by Brian Butler

Easy to install. Test works. Hope I never have to use them!

Survey

Reviewed: 01/28/2021 by Harley Pickett

Received my order of 5 units promptly, and was able to install all of them in about 45 min! They fit perfect and documented the install date! Thanks!

Smoke alarm

Reviewed: 01/21/2021 by Robert Dickman

These were replacements for our originals when our house was built. They fit the original mounts, just plugged them in and that was it. Great alarm and superior service!!

EXCELLENT STORE HELP

Reviewed: 01/18/2021 by Richard Kesling

I had an 18-year old smoke detector and called the store with the model number. The gentleman handling the call explained the model had changed and explained in detail that I would. only need to unplug and change the ceiling mount included. He took the time to warn me regarding not to touch the wires and that he would process immediately.. Great people, great products and reasonable prices.

Reviewed: 01/18/2021 by Daniel Cornell

Items arrived on time in great shape. Very easy to install. Also good looking after installation.

Great

Reviewed: 01/13/2021 by Jenny Snowden

Easy to install! Works very well, thank you!

what we needed

Reviewed: 01/11/2021 by Heidi Allen

Bought this to replace a bad one, fast shipping and product works wonderfuly!

The First Alert Smoke Alarm

Reviewed: 01/11/2021 by George DeMott

I am pleased with the new model smoke alarm. The old alarm plug in fit the new smoke alarm and made installation easier. Very quiet. no more false alarms -

works great

Reviewed: 01/11/2021 by Frederick Walz

works great

Good price fire alarm

Reviewed: 01/05/2021 by ZE QING WANG

Easy to install, no complaint. Come with 9v battery. After installed, work like charm

Great savings!

Reviewed: 01/04/2021 by Mike Stewart

I had a great experience with First Alert Store. Their price was 20 % of the price at Lowes and their service was fast and seamless. I will definitely do it again.

Easy replacement smoke detector

Reviewed: 12/20/2020 by Theresa Tate

I received my replacement smoke detector in a short time. Easy to replace and I got free shipping on the product. Cost effective and easy fast delivery.

Needed to order new smoke alarms

Reviewed: 12/20/2020 by Trisha Semarge

Was very easy to get on the First Alarm Site and find my type if alarm I needed. I did check and see if I was able to purchase the alarms at Target and Lowes but they didn't have the quanity I needed. This was the best place I could order them all for a great price. Thank you so much First Alert!!!

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 12/17/2020 by Willy M

Easy to order, to install, good price, and quality product.

Reviewed: 12/15/2020 by Wanda Davis

Great product

Smoke Alarm Replacement

Reviewed: 12/14/2020 by John Lutz

When alarms go bad, homeowners need protection and peace of mind that's what we got by ordering 2 alarms which were efficiently delivered to the home at a reasonable cost.

Reviewed: 12/09/2020 by Robert Grzeszczak

Worked just as explained.

Reviewed: 12/08/2020 by David Mirabell

Easy website to search and order. Received via FedX ground at 8:00pm which surprised me.

they work

Reviewed: 12/08/2020 by Kevin

they work

Smoke alarm

Reviewed: 12/07/2020 by Michael Hanlan

Very pleased with the product, hooked them up and they work great Thanks

Great!

Reviewed: 11/25/2020 by Robin Beatty

After a bit of a mix up re: my delivery address, we received the alarm. It snapped into place in 30 seconds. Booted up immediately. Wish everything was this simple!

Reviewed: 11/25/2020 by Kathy Lui

It was very good price and quality.

Satisfied customer

Reviewed: 11/10/2020 by Troy Prince

I was happy with the timeliness and convenience of your product . I recently ordered 2 smoke detectors for my mother's home that's 17 years old and was concerned about the proper replacements. Your website made it easy and convenient to order the proper unit. I will continue to use your products and recommend and refer others to do so as well. Thanks!

Easy Install, BUT

Reviewed: 11/10/2020 by william MACHTIGER

Arrived in good time. Installed four of five replacements in a short one hour. BUT good thing that I ordered six because 2 of them did not respond properly and had to be returned. Store should make a problems number clear in packaging. Took two calls to find out that this is handled by their sales department.

Customer Service Response:

Thank you for the feedback, William. We will be looking into this matter closely.

simple replacement

Reviewed: 11/04/2020 by Joseph Chick

Our hardwired smoke alarms were original to our property, and over due for replacement. A screwdriver and step stool were all that we needed to do the job. Did not even have to change the 3 wire adapter, as the old ones fit the new alarms.

Easy to install and fast service.

Reviewed: 11/03/2020 by Jack Allen

I replaced my old smoke detectors with the new ones in about 15 min. The old ones were over14 years old and still working but I had noticed some degrading so I replaced them with a exact change out. the new ones came with batteries so it was just unplug the old and put in the new , simple and fast.

Perfect Fit

Reviewed: 11/02/2020 by Cole Long

We built our home 6 years ago and one of the hard wired smoke detectors went bad. We searched Home Depot & Lowes but couldn't find a matching replacement. First Alert had just what we needed. This connected perfectly to our system.

Easy replacement

Reviewed: 11/01/2020 by Steven Grady

One of my 14 year old smoke detectors failed. I was pleased to find the exact item available after all this time. The new complete device with mountings and all arrived, however I only needed the outer, functional unit. I plugged it in to the existing mounting and wiring and it works just fine. I will be ordering at least one of the First Alert/BRX combination smoke and carbon monoxide detectors to improve my protection, expecting the same compatible swap-out. I may refresh replace the rest of the units in the house as well just so everything is new and up to date. Its a good system.

Great service

Reviewed: 11/01/2020 by Nanette Stacker

The smoke detector arrived and was easy to install.

Good price, easy to install, works

Reviewed: 10/30/2020 by Charles Gebien

I'm a comparison shopper and the First Alert store is the cheapest vendor. Installation was easy but had to change out the old wiring plug and mounting bracket with the new supplied ones. Works fine, but supplied 9v battery is a cheap heavy duty not alkaline. it's ok though as the hardwire supplies the power, not the battery. I'll replace batteries later with alkaline which should last about 5 years.

Great Service for a great product!

Reviewed: 10/28/2020 by Michael J Hastings

I received what was pictured on the web page! Received the order prompted and undamaged! Would order from this First Alert Store again! Thank You!

Great price for a smoke alarm set

Reviewed: 10/27/2020 by DL

I replaced 10 old smoke detectors. I purchased the wiring adapter so I did not have to rewire. All 10 are working well, tested and in sync. I could not be more pleased with this experienced. The smoke detectors arrived in 1 business day.

First Alert Hardwired Smoke Alarm

Reviewed: 10/26/2020 by Lonny Porter

Very easy to install. Been using this reliable product for years.

Perfect Fit

Reviewed: 10/22/2020 by Cole Long

Reviewed: 10/21/2020 by Mary Rae

These are installed and tested ,

Super easy

Reviewed: 10/21/2020 by Richard Berger

They have kept this item similar to the smoke detector they made at years ago. Because of the similar features it made it an easy swap.

first alert

Reviewed: 10/21/2020 by Robert Payne

Product works great. Easy to install. Don't know why old one stopped working.

Perfect Fit

Reviewed: 10/20/2020 by Cole Long

We built our home 6 years ago and one of the hard wired smoke detectors went bad. We searched Home Depot & Lowes but couldnt find a matching replacement. First Alert had just what we needed. This connected perfectly to our system.

9120B Smoke Alarm

Reviewed: 10/19/2020 by Daryl Axsom

Excellent replacement for an older model. Just a quick swap out. Looks good too, Arrived earlier than expected.

Reviewed: 10/19/2020 by Harry E McNair Jr

Excellent

Smoke Alarm

Reviewed: 10/16/2020 by Shane H.

The product performed as advertised. What was equally important to me, was how I was treated by customer service. They answered my questions professionally, about replacing an older smoke alarm model.

replacement backup

Reviewed: 10/16/2020 by Dan Ulrich

simple replacement after being on back order.

Great Products

Reviewed: 10/15/2020 by Carmelo Vargas

Excellent Products,Trustworthy Company, Fast Shipment. Quality and Reliable Products

First Alert Hardwired Smoke Alarm

Reviewed: 10/15/2020 by Robert Walker

Good product, plan to use as a backup.

Easy installation for replacement

Reviewed: 10/14/2020 by Dan Guss

I recently installed 6 of these units in our home to replace 10-year old first alert detectors. The old detectors worked flawlessly for 10 years, but had reached the end of their expected life. Those old detectors in turn replaced the 6 original units in our house built in 1999. I was pleased to find that the wire harnesses and detector mountings are still the same for this model. All I had to do was unplug the old units, and remove them, simply plug in the new units to the harnesses and twist them in place and check their operation. It took about 45 minutes to do the entire job slowly and deliberately, and the new units are operating perfectly.

As Advertised

Reviewed: 10/14/2020 by Michael Booker

Delivered before time. Great customer service.

Simple to install

Reviewed: 10/14/2020 by Robert Newman

The instructions were straightforward and installation was simple. The included battery is a plus.

Smoke alarms

Reviewed: 10/14/2020 by Jim Spicer

These units did replace a previous model 4120B and the interconnection worked very well. Replacing the bases was a bit of a chore, due to the screws currently in place were of the older slotted head and slipped the screwdriver several times. It did get done and I am well pleased thus far.

Very Good

Reviewed: 10/04/2020 by NANETTE RODRIGUEZ

Very Good

Group replaced smoke alarms

Reviewed: 08/22/2020 by Mike Bibby

I had a smoke alarm fail and saw the unit was built 16 years ago. Since ten years is typical life, I ordered three and replaced all at the same time. Price and delivery was excellent from the First Alert Store.

Cheaper Than Big Box Store

Reviewed: 08/20/2020 by Chrissy Horner

Same as home depot and lowes but cheaper and free shipping. Great deal!

FIRST SMOKE ALARM REPLACED

Reviewed: 08/20/2020 by ROY SIDERS

PURCHASED THE 9120B IN AUGUST 2020. I WAS LOOKING TO REPLACE A 20 YEAR OLD BRK SMOKE ALARM AND DIDN'T WANT TO COMPLICATE THE PROCESS BECAUSE I HAD NEVER REPLACED ONE BEFORE. CALLED BRK/FIRST ALERT AND THE REPRESENTATIVE ADVISED THAT THE 9120B WAS THE REPLACEMENT UNIT FOR MY OUTDATED MODEL. ORDERED IT AND COULDN'T BE HAPPIER! INSTALLATION WAS QUICK AND EASY AND THE UNIT WORKS PERFECTLY! INTEND TO CALL THEM AGAIN WHEN I REPLACE THE OTHER SMOKE ALARMS IN THE HOUSE!

Great smoke alarm

Reviewed: 08/19/2020 by Jorge Campa

Great purchase excellent product and customer service.

great price and service

Reviewed: 08/19/2020 by William Welk

The price was lower than I could find elsewhere and shipping was fast. Installation was simple. The website was easy to search.

Perfect

Reviewed: 08/10/2020 by CA R

Easy to install, works perfect!

Reviewed: 08/10/2020 by Masaru Shimoda

The old alarms lasted 20 years. The recently purchased are very much alike. Good for another 20 years

Homeowner

Reviewed: 08/05/2020 by Michael Craig

Great product easy to install need to order 3 more

Reviewed: 08/04/2020 by Jerry Leonard

Excellent price.

Fits perfect

Reviewed: 08/03/2020 by Chester & Pelt

Had no problem replacing my old smoke alarms with these units. Just be sure the power is off at the unit before changing the plug in wiring!!! thanks

Excellent

Reviewed: 08/03/2020 by Edward Clarke

Shopped for this on the internet great prices compared to others on the internet. Fast shipping too.

Great units!

Reviewed: 08/03/2020 by D. Arriaga

It was time to replace my old alarms they were over 10years old. They were the same brand and they served me well they were still working before they were replaced. Your familys safety is priory #1, so I decided to replace all 11 of our decade old smoke alarms. These were direct replacements for obsolete model we had before, according to the website. Would highly recommend!

Reviewed: 07/30/2020 by DAVID FOREMAN

It works

Just as advertised

Reviewed: 07/30/2020 by Terry White

Happy with my purchase.

Reviewed: 07/28/2020 by ZE QING WANG

Easy installation, and it works fine so far. Except the package does not come with the screws. But overall works expected.

Good Product

Reviewed: 07/27/2020 by Joe Marro

It was great that you still carry a direct replacement for a item that was 13 yrs old. That tells me that it is a good product Thanks

perfect replacement

Reviewed: 07/25/2020 by K Riggs

I always keep several of these on hand, in case replacing the battery doesnt stop the chirping!

Reviewed: 07/18/2020 by Gaylan Gallacher

Thank you for giving us the opportunity to purchase these Smoke Alarms through your on-line store. It is most convenient and easy. Your product is sensational and in addition easy to install when needed. Thank you again.

Home Smoke Alarms

Reviewed: 07/17/2020 by Brian Petroski

Product was sufficient. Boxes were smashed. Luckily the smashed boxes didn't affect the quality of the product. Bad shipping damages to boxes.

Excellent Service

Reviewed: 07/17/2020 by William McClellan

Packaging was excellent so the products were received in great shape and on time.

Easy Replacement

Reviewed: 07/16/2020 by debi troiano

I needed to replace 3 smoke alarms as they had reached their end of life. These smoke alarms easily replaced the pre-existing ones..no problems.

Reviewed: 07/15/2020 by Beverly London

Product was easy to install and the correct match to previous smoke alarms. Product was delivered very quickly.

Easy replacement.

Reviewed: 07/15/2020 by Stephen Dyleski

My detectors were 10 years old. I ordered from the First alert store. I waited a few weeks because they were on back order. They arrived and I replaced all 3 in 15 minutes with no problem. I saved a lot compared to local retail prices.

Smoke Detectors

Reviewed: 07/14/2020 by Robert Dobesh

Very good price for six detectors. Replaced every one in the house for less than $10 apiece. Had all replaced in about 20 min. Very good deal.

Mhm order

Reviewed: 07/14/2020 by marshall moore

Items worked well easy install.

Excellent quality

Reviewed: 07/14/2020 by Marvin Boyd

The product was excellent quality for the price. I looked in stores for the product and could not find it. Then it found First Alert on the web and glad I did.

Reviewed: 07/01/2020 by Chuck Laslie

EASY TO INSTALL- VERY HAPPY

Easy Replacement

Reviewed: 06/19/2020 by Dianne Ormond

My previous First Alert Smoke Alarm with Battery Backup had finished its lifespan, and it was time to be replaced. I was pleased with how easy this new arrival replaced the old. Just disconnect the wire plug and plug into the new one, and rotate into the collar until it locks. Everything fit, and it was fast and easy.

Installtion

Reviewed: 06/19/2020 by Kelly Becker

Easy to relace old ones with new one, only had to screw in bracket and plug new one in. Very easy.

First Alert Satisfied

Reviewed: 06/19/2020 by Terrell Moore

Very satisfied with your product.easy install Thx.

Fresh Stock

Reviewed: 06/10/2020 by david tamura

I ordered three 9120B ionization smoke alarms from firstalertstore.com. They were shipped very quickly by USPS Priority Mail. The items were fresh stock, manufactured only two months earlier. I ordered an additional three First Alert Photoelectric smoke alarms 7010B from Amazon because their price was lower than the firstalertstore.com. These were very slow in arriving and were made over two years ago. First Alert has told me that even though these are over two years old, if they have never been activated, their useful service life will not be affected. I hope so. Otherwise, next time I will order all my replacements directly from First Alert.

So far so good.

Reviewed: 06/09/2020 by Kelly Becker

Looks good, easy installation, so far so good.

Works Great!

Reviewed: 06/09/2020 by Amy Jackson

These were bought to replace the same model but just 10 years older. We did have to replace the bracket to get these to fit but it wasn't hard. 6 of these went up in about 30 minutes. the existing wiring just plugged right in. No more late night chirping and false alarms!

GREAT REPLACMENT

Reviewed: 06/09/2020 by JACK HERRING

I was pleased to find the exact replacement smoke alarm model that had been in my house for 14 years. The smoke alarm even attached to the old mounting bracket which made for a very easy install. The item was received fast. I would use this company again. Very pleased with their customer service.

Reviewed: 06/09/2020 by sandra williams

Received early everything is great

New Smoke Detectors

Reviewed: 06/05/2020 by Donald Souza

Great service. Quick delivery.

Excellent Buy

Reviewed: 06/05/2020 by Paula Kuhl

The website was very user friendly and found my alarms right away. Reasonably priced and prompt delivery!

Great product

Reviewed: 06/04/2020 by John Masters

Didn't realize until lately that smoke alarms should be replaced every 10 years of so. Our hard wired alarms were 26 years old so I contacted the First Alert Store to purchase replacements and wiring adapters. Only issue I had was that I was told I needed one style of adapter when, by looking at the website, I knew I needed a different configuration. I ordered the ones I needed and installation was a breeze. My family and I feel like were protected again.

Reviewed: 06/04/2020 by Earl Fox

easy to install. works fine. but, delivery time was slow.

9120B

Reviewed: 06/03/2020 by Timothy MacKay

The product arrived on time, installed as expected and without problems.

Great product

Reviewed: 06/02/2020 by Claudia Rodarte

This fire alarm was recommended to me from a friend.

Great 10 Year Smoke Alarms

Reviewed: 06/02/2020 by Janet Bevirt

So glad you make these great wire-in with battery back-up 10 Year Smoke Alarms. Was only finding 5 Year Smoke Alarms in the stores.

Replaced all smoke detectors

Reviewed: 06/01/2020 by Juan Reyna Jr.

I have a hard wired system and had older models from 2005. Replaced them with 9120B and they fit and work great.

PErfect Fit

Reviewed: 06/01/2020 by Richard Jess

I was able to replace my 10 year old smoke detectors with this replacement product in just a few seconds. Perfect replacement and my home continues to be protected.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 05/29/2020 by Duane Williams

It was time to replace all of my dated systems. I found First Alert Hardwired Smoke Alarm with Battery Backup - 9120B which is a highly compatible / superior system than the one I had. Great product.

Great Alarm

Reviewed: 05/29/2020 by Richard LeTourneau

So far this alarm seems to be great. Hopefully it will never go off, but will if the need arises. It was a replacement for a similar alarm and it fit the ceiling hole perfectly.

Smoke Alarm

Reviewed: 05/22/2020 by Bryan Gibson

Have not had any issues with these. I would recommend these smoke detectors

Reviewed: 05/21/2020 by ANGELIA BASS

they are the I wanted. I will be ordering 3 more .

Replaced old ones

Reviewed: 05/21/2020 by Virginia Rapplean

I called first alert and didn't think I would be able to replace the existing fire alarms that were hard wired in. But they were able to give me the correct information and I ordered them online for a great price! They look great, easy to install and work good. Very happy I didn't have to figure bout rewiring!!

great purchase

Reviewed: 05/12/2020 by Ellen ebat

It even came with batteries!

Smoke alarm

Reviewed: 05/11/2020 by Judy Parker

This was a replacement for a 3 unit alarm system. Perfect fit. Easy to install.

Reviewed: 05/10/2020 by Robert Sanders

Good

Reviewed: 05/09/2020 by LeAnn Kirkpatrick

The order was sent as ordered. The installation was easy. And very unexpectedly and positive, the units came with batteries! Thank you!

First Alert Smoke Alarm

Reviewed: 05/07/2020 by Virginia Del Toro

Satisfied. Very easy to install.

Replacements

Reviewed: 05/07/2020 by Robert James

Glad to find you still had this model as I have seven of them installed. Ordered a couple extra for future replacements, was easy to find on your site and easy to order. Thanks

Awesome quality & promptness

Reviewed: 05/07/2020 by Bala Mallampati

Quality of product of very good and received on time. Thanks for your service

Easy Order

Reviewed: 05/06/2020 by Seymour Rothstein

Product easy to order. Prompt delivery. Installed by me in just a few minutes.

Excellent price and quality

Reviewed: 05/05/2020 by Paolo Matrascia

Fast shipping, very competitive price.

Alarm

Reviewed: 04/29/2020 by Sally Loy

Order was received quickly, and is a very good product.

Great

Reviewed: 04/28/2020 by KB

Ordered 3 to replace old smoke detectors and they were very easy to install. No need to mess with the wiring which was great. Shipping was also very fast - ordered on Sunday night and arrived on Tuesday. Thanks for the great service!

9120 b smoke alarm

Reviewed: 04/28/2020 by WILLIAM REY

Fast free delivery, replacement product for out of date smoke alarms. Easy ordering, first quality.

Smoke Alarm

Reviewed: 04/28/2020 by Joseph Van Kempen

Purchased as replacements. Very easy to install! Service provided during the ordering process was very impressive! Very fast and order was accurate.

Just what I was looking for

Reviewed: 04/27/2020 by mary fong

I was looking to replace all our first alert alarms with the least amount of damage to the drywall and re-wiring. With a little help from a customer rep at First Alert, she lead me to the right product. Replaces exactly all my old alarms.

full house replacement

Reviewed: 04/27/2020 by DIYDad

replaced all the detectors in house as i had various ages installed. 8 units done in 30 minutes no problems! units come with batteries with a pull tab so very easy to activate.includes wiring and a paint cover as well.

Fire smoke alarm

Reviewed: 04/27/2020 by Ronald Escalante

Fit perfectly

Phillip Adams

Reviewed: 04/27/2020 by Phillip Adams

Works perfect, thanks!

Smoke Alarm

Reviewed: 04/27/2020 by Joseph Van Kempen

Purchased as replacements. Very easy to install! Service provided during the ordering process was very impressive! Very fast and order was accurate.

Reviewed: 04/27/2020 by Abdel Bouaichi

Great product. was easy to set up

Excellent service

Reviewed: 04/23/2020 by Lawrence Hopkins

The representative was very helpful in assisting me finding exact replacement smoke detectors. He also provided info on installing replacements.

Item is as described

Reviewed: 04/20/2020 by SteveAnna Williams

Great quality and value

Excellent service

Reviewed: 04/20/2020 by THOMAS Jones

Got my order in a timely manner and will order from them again

Great value and service!

Reviewed: 04/19/2020 by George Lazur

Good prices and fast service!

Great service

Reviewed: 04/17/2020 by Mike Angarola

Items arrived quickly and was exactly what I ordered. No issues.

Reviewed: 04/16/2020 by William DeVore

Great alarms with a very good price!

Smoke Alarm

Reviewed: 04/12/2020 by Sally Loy

Arrived quickly, and works great.

Reviewed: 04/10/2020 by D G

Ordered 4 9120B Smoke Alarms to replace my 10 year old alarms. They fit the old mount and the old wiring was the same for the new. Quick swap, all checked out and worked properly. Shipment was quick and well packaged.

Best Smoke Alarm

Reviewed: 04/10/2020 by David Rosner

Quick delivery and super easy install. Works great

Easy to install

Reviewed: 04/10/2020 by Carl Ganocy

Replaced 6 alarms. The old ones were 10 years old and were begining to malfunction. The old ones were also 9120B, so everything was easy.

Reviewed: 04/09/2020 by Earl Fox

Prompt service. Good product. Easy to install. Works great.

Good service!

Reviewed: 04/08/2020 by Frederick Roche

Product shipped very fast, arrived in 2-3 days. I am fully satisfied.

Reliable smoke alarm

Reviewed: 04/08/2020 by Loyda Lebron

Our order came really fast and it was perfect. The smoke alarms we ordered from the Company got to our house and they are very good quality.

Perfect

Reviewed: 04/08/2020 by Jim Schuweiler

Finished off the basement and they work perfectly with the rest of the system in my new house.

Reviewed: 04/07/2020 by Joseph Coulter

Could not of been easier

Fast service at a reasonable price!

Reviewed: 04/06/2020 by George Lazur

The products are of high quality and are priced very reasonable , plus free shipping.

Reviewed: 04/05/2020 by Christy Krainess

I replaced an older model and I love the new ones they were easy to install and work great

Reviewed: 03/25/2020 by GB fan

Wasn't able to find one in any stores to replace an old one I had. Thankful to be able to order online with fast shipping...had it in 3 days. Plugged into already wired and attached to existing connection. Easy

Amazons Price Gouging

Reviewed: 03/24/2020 by S Thomas Church Jr

I needed to replace an old First Alert hardwired Smoke Alarm that was still working after 30 years in my finished basement. It was discolored so I called First Alert and was given the exact replacement. Once I had the model number I tried to find it on Amazon but they showed multiple versions so I called First Alert again and the tech asked me how much did it cost and he was amazed that it cost 4 times what First Alert Store offered on line. I immediately ordered the replacement with free shipping and saved over $30 versus Amazons price. I recommend that anyone that is planning on purchasing First Alert Smoke alarms that they call the First Alert on-line store always. Plus I had on-line excellent technical help on how to uninstall and install the smoke alarm. This is not the first time that I realized that Amazon practices price gouging, in fact, I am awaiting an investigation from Amazon as to why a physicians practice offers an identical item for 10% higher price. Buyer Beware!!

5 Alarms

Reviewed: 03/23/2020 by chuck lovsey

We had these alarms in our home and they where malfunctioning so I just replaced them all, works fine now.

Real value!

Reviewed: 03/22/2020 by George Lazur

The 9120B smoke detector replacing my 17 year old unit is a very good product and great value!

Excellent Replacement

Reviewed: 03/20/2020 by Terrance Tobias

We ordered 3 9120B Hardwired Smoke Alarm with Battery Backup detectors to replace our 12 year old models. The new detectors fit the old mounts and electrical connections perfectly. The First Alert staff were helpful in answering my questions prior to placing the order through the First Alert Store online. Great customer service to a loyal customer.

Smoke Alarm

Reviewed: 03/18/2020 by Darrell Abel

Replaced old 4120B alarms. Simple plug in and done.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 03/17/2020 by Luther Weatherby

Order was received earlier than I expected it and units excellent quality.

Exact replacement

Reviewed: 03/12/2020 by Daniel L Whan

Installed no problem

Easy to Install Replacement

Reviewed: 03/09/2020 by Gary C Woodward

SInce I was replacing identical units I did not need to mount a new mounting plate or do any new wiring. I just twisted the old one off the mounting plate and disconnected a connector and then reconnected the new unit and twisted it into the existing mounting plate. It could be as quick as 5 minutes a unit including some time to confirm power leds are on and test it. It even comes with batteries.

Smoke alarm

Reviewed: 03/06/2020 by Jonny Terra

Exelent and fast service

In my opinion

Reviewed: 03/04/2020 by Dave Adams

The people working here were kind and helpful. My 10 ,16 yr old detectors needed replaced and I got them fast and at a good price. Easy to change out and working well. Thank you all..

Replacement

Reviewed: 03/02/2020 by David Campbell

I purchased these as replacements that were installed in my new construction home. I believe the original detectors were not protected from dust causing them to malfunction. These alarms are sensitive loud and interconnected so you can't miss an alarm. Ordering directly from first alert is the best way to go. Saved 30% compared to retail and delivered for free to my door. Very pleased.

Reviewed: 03/02/2020 by Betty Eilers

Good product unless they break then seems like a new one is necessary Planned obsolescence

Reviewed: 03/02/2020 by Connie Isaacson

Very good and easy to install

good service and price

Reviewed: 02/25/2020 by GERALD STHILAIRE

have a unit that is 15yr old found exact replacement for great price and delivery all good

ITEM 9120B

Reviewed: 02/24/2020 by Frank Venditti

Perfit fit for replacement of old alarm

Batteries Included

Reviewed: 02/21/2020 by Matthew Huntwork

Smoke Alarms worked as described with no issues. Batteries were included. The construction dust cover is good to have to protect the unit from fouling during construction or heavy cleaning events.

Great product!

Reviewed: 02/20/2020 by Paul Corcorran

They were so easy to put up and look great in the house!

Reviewed: 02/19/2020 by John Fitzgerald Jr

Great deal on a great product. Free shipping is a bonus.

Just what I was looking for

Reviewed: 02/17/2020 by James Morgan

Home came with same detectors installed. They have always performed good. Did not want to reconfigure where these mount, and did not have to because these units where a direct fit to old bracket and existing wiring. Was just looking to update mine since they where manufactured in 2005. Basic smoke detectors that perform good. Would recommend these.

Decent product, low price

Reviewed: 02/12/2020 by Clamperl Bhatia

Does what it says, but I have had several of these fail shortly after the 5-year warranty period. I keep having to purchase new ones to replace the existing ones that would incessantly chirp for unknown reasons not low battery. Hopefully the replacements will last more than 5 years.

Reviewed: 02/12/2020 by Saroya Hardaway

Excellent Product!

Perfect replacement

Reviewed: 02/11/2020 by Thomas Eleyet

Purchased five of these to replace existing smoke alarms in my home that were well past their recommended 10 year life span. Three were the exact same model as those I purchased, so it was just a matter of plugging them in. The other two were very easy to change over, just three wires to install the new plug. Then simply test all alarms for proper function.

Excellent Service

Reviewed: 02/11/2020 by Hafizur Rahman

I am happy with the service. I made a mistake in address and the customer care professional called and made sure the address is correct. I am very impressed. It arrived on time even it was free shipping.

Reviewed: 02/07/2020 by James DiBlanda

Excellent product, received in a timely manner.

Perfect

Reviewed: 02/06/2020 by Brian Marquis

Could not find a replacement in store and found I could order on line

Very Pleased!

Reviewed: 02/03/2020 by Keryl Carter

I was very pleased with the product. Taking the old smoke alarm down was easy, but installing the new one was even easier. Thanks for making a great, safe product. I feel at ease now that I have new alarms in place.

Simple Setup

Reviewed: 02/01/2020 by Leland Landry

Easy to install and setup!

Reviewed: 01/28/2020 by Alfred Reci

fast and helpful

Good service!

Reviewed: 01/27/2020 by Frederick Roche

My First Alert alarms were acting strangely. Your phone technical support quickly diagnosed the issue routine need for replacement after 7 years. I ordered a replacement unit online and was very pleased that it was delivered in just a few days. Well done!

Great replacement Smoke Alarm

Reviewed: 01/27/2020 by Aubrey Chitsey

I replaced my smoke alarm and I so easy because all the hook ups worked for my situation.

Seamless install of replacement

Reviewed: 01/24/2020 by Dale Johnson

After hearing high cost estimates from an electrician to replace a faulty alarm, I was pleasantly surprised by the low cost and easy installation of my replacement ordered from you company.

Great product

Reviewed: 01/21/2020 by Gina Brodbeck

Great price for these smoke detectors. Speedy shipping

Home owner

Reviewed: 01/20/2020 by Daniel Yohannan

Best products and easy to install

Reviewed: 01/20/2020 by Robert McDermott

Fast service and best price

Great product

Reviewed: 01/16/2020 by Kenneth Coco

Great product hooks into security sys and is hard wired. NO worries and very loud alarm.

Smoke Alarm

Reviewed: 01/13/2020 by Gene Bedley

Appreciated the assistance to help me before the new smoke alarm arrived

Reviewed: 01/06/2020 by Tiria Brown

Everything works fine , thanks !

Good Purchase

Reviewed: 01/05/2020 by sarojini gude

I was looking for this products at a store, couldn't find it. this website is convinient, easy to order. Shipment is ontime and product is good.

Most BORING installation of all time

Reviewed: 01/03/2020 by Michael Weishaar

I was replacing a faulty smoke detector in my house, and was disappointed with how boring this was to replace. Loosen two screws on old mounting plate, remove mount. Add new mounting plate, tighten screws. Remove plastic strip to engage battery, plug in detector wtih existing wire, twist detector into mount. Press test button, verify it works. Done. Yawn. Easiest upgrade/replacement of anything in any house I have ever owned. No multiple trips to the hardware store, modification of anything required, 1 tool not a big hammer, no swearing, blood, or fire. Would buy again.

Fast delivery

Reviewed: 01/01/2020 by Carol Kocher

When our old smoke alarm quit working even with a new battery backup we wanted to get a replacement quickly. The best price was at First Alert Store and since they had a bundle for 3 we decided to replace all our smoke detectors since they were all the same age. The smoke detectors came quickly and were very easy to install. Would recommend This vendor to friends and family.

9120B

Reviewed: 12/26/2019 by Nancy Palla

Very efficient service and the delivery was on time .Overall everything was A++ service.

Fire Alarms

Reviewed: 12/20/2019 by Mike Buckley

Fire Alarm arrived as advertised! No issues with delivery and the parts need for replacement installation!

FIRST ALERT SMOKE ALARM

Reviewed: 12/18/2019 by Denise Cherry

Very good company to buy from. Accurate product was sent and in a very timely manner! Would buy from this company again, no problem!

Reviewed: 12/17/2019 by Susan Myrick

Exactly what I needed!

Reviewed: 12/17/2019 by Monica Taylor

The products are easy to install. Battery is included. Quick service

Hardwired Smoke Alarm

Reviewed: 12/17/2019 by Kassandra Hernandez

Haven't put them up just yet, but they arrived when I expected them to and customer service was very helpful. Would purchase from this site again.

So far so good

Reviewed: 12/12/2019 by KB

I replaced 9 smoke alarms in my home a couple of months ago... since I had switched brands there was some basic wiring work to do as well as swapping the bases, but it was smooth and easy. The units all tested good, including the inter-connectivity, and I have not had any false alarms so far. All alarms came fresh from the factory... mfg dates were less than a month earlier. Overall, this was a great deal on some quality alarms from a brand I trust.

Reviewed: 12/10/2019 by raymond brandenburg

Work perfect

smoke alarm 9120B

Reviewed: 12/03/2019 by Carolyn Miller

very pleased with the service

Smoke alarm

Reviewed: 12/03/2019 by Barb Thompson

Fast shipping. Easy to install. First Alert brand is reliable and reasonably priced.

Great product and Price

Reviewed: 12/03/2019 by Monica Taylor

I called for help with purchasing a replacement smoke detector. The rep. Was very helpful. She walked me through which product to purchase. The service was quick. The product arrived quickly and with the straight forward instructions, I was able to replace them easily with no prior experience of switching out hardwired fire alarms.

FIRST ALERT 9120B

Reviewed: 12/02/2019 by Chris D.

This item was a replacement for one that went bad in my home. Price was good and item arrived right on time and as promised.Good and reliable product.

Great!

Reviewed: 11/25/2019 by Buster Carlile

Great product. Great service. Great price. Everything just as it was stated that it would be. Thanks First Alert Store.

Reliable device for safety

Reviewed: 11/25/2019 by SHAMI ALGAWZI

Thank you for the order, I wish if we have option to not include the battery 9 v, as we face deficiencies in Shiping item by air.

Easy install, works great

Reviewed: 11/25/2019 by Jordan Wild

Easy install, works great

Easy to use

Reviewed: 11/20/2019 by mary pesola

Worked just fine

Excellent Customer Service

Reviewed: 11/20/2019 by Julie Harvatine

Everything about my experience was first rate from the customer service I received when I had to call about a replacement model to the extreme quickness of the order placement and shipping.

Smoke alarms

Reviewed: 11/18/2019 by Steve Dutter

Replaced my 13 year old smoke alarms with First Alert units. I now feel comfortable and confident that I have smoke alarms that will aid us should we ever need them...Thanks

Upgrading old First Alert Smoke Alarms

Reviewed: 11/18/2019 by Larry Owens

Replaced for upgrade, seven, 22 year old, Hardwired First Alert Smoke Detectors. Easy installation. I like the green active and red light alarm ID system.

Reviewed: 11/14/2019 by Gl Burch

Very Good!

very good

Reviewed: 11/12/2019 by Calvin Callier

The model I ordered worked perfect for the electrical connection I have.

Reviewed: 11/05/2019 by stephen demetri

EXCELLENT PRODUCT AND I AM VERY PLEASETO GET THEM

Easy Installation.

Reviewed: 10/31/2019 by Gary Loper

The smoke alarm arrived very quick, and was easy to install. It contained the battery which surprised me, and the alarm manufacturing date was current.

Safe Again

Reviewed: 10/30/2019 by Susan Morales

Very happy with the purchase. This is the brand that was used originally, lasted 14 years

Exact replacement

Reviewed: 10/30/2019 by Carol Pease

I looked around for a smoke alarm replacement with no luck. Finally decided to check out the First Alert Store and, happily, found the exact replacement! Excellent price to boot!

home owner

Reviewed: 10/29/2019 by stephen demetri

These items were hard for me to find.. excellent price and free delivery

Smoke Alarm

Reviewed: 10/28/2019 by Jerimie Greene

Arrived on time in great condition no issues

Good smoke detector

Reviewed: 10/28/2019 by Mark Stang

I recently purchased 6 model 9120B to replace my existing BRK 86RAC smoke detectors. They were an exact replacement and I could use the existing electrical terminals that were already wired into my house.

Reviewed: 10/25/2019 by Dominic Njogu

Good experience and timely delivery.

Easy switch out

Reviewed: 10/25/2019 by William Pawling

Ordering on-line was easy, and the order arrived in just a few days. The smoke alarms were purchased to replace the four installed when the house was built. I purchased the same model, so it was a quick change out. This is the second time we have replaced them every 10 years and hope the design is not changed.

Good

Reviewed: 10/24/2019 by Khan Ikram

Easy to install. I have been using this in my home more then 10 years. It is time to replace. So I did and works like charm. Thank you for making good reliable products.

alarm 9120b

Reviewed: 10/23/2019 by John Heyninck

We received the alarm fast and installation was easy would recommend this alarm to anyone who want protection from fire

Great dveice@ a Great Price

Reviewed: 10/17/2019 by brad miller

Product cannot be any better for your money. Bought 96 for a hotel I run!!

Owner

Reviewed: 10/16/2019 by Reginald Walker

The products and service was excellent.

replacement

Reviewed: 10/15/2019 by ronald coleman

They both seem in good condition and easy to replace

Reviewed: 10/14/2019 by Ronald DeMien

Everything arrived on time in good shape. Everything worked.

Great dveice@ a Great Price

Reviewed: 10/10/2019 by brad miller

Bought 96 of these to replace 10 yr old First alert smoke detectors. Bought them in 12 packs at a great price. They even come with batteries!!! Amazing savings there if you figure what 96 9v batteries would have cost you too !!! Would do this again. Definitely recommend the product!!

Reviewed: 10/09/2019 by palanivelrajan muthuramalingam kathiresan

Fast and simple. It took less than 10 minutes.

Reviewed: 10/04/2019 by Katherine Wise

I have not completed the install. I was told that my older alarm was replaced with a newer version and I would have to rewire and redrill holes. I was worried because I needed to replace my older smoke alarm but didn't want the added expense of potentially hiring an electrician to rewire and refit units. The newer version appears to be a perfect fit with all the holes and the and wire switch so I will not have to do additional work to replace my alarms. That was awesome.

what I expected

Reviewed: 09/26/2019 by John Verrill

quick delivery and just what I needed.

Replace old ones from 2000

Reviewed: 09/23/2019 by Howard Birkel

They ware working and did not have to change any of the wires plugin and work from the point on.!!!!! The ones that I had to replace had a date of SEPT 27/ 2000. Thank you First Alert for the help!!!!!!

Smoke Detectors

Reviewed: 09/23/2019 by Jim Cacchione

I am so happy that I found the replacements for our old smoke detectors. They are easy to install and they look great. Thank you. Jim C.

Reviewed: 09/19/2019 by John Fitzgerald

Great free shipping. Shipped within hours and arrived quicker than I expected.

No issues

Reviewed: 09/18/2019 by Debbie-Ann Walker

Called customer services and they made it easy to replace the alarms I had for over 10 years. Ordering from First Alert gave the best price and value and it arrived in no time to my home.

Reviewed: 09/17/2019 by Melida McLenan-Kenny

Excellent choice. Very easy to installed. I am very satisfied.

McArdle Review

Reviewed: 09/13/2019 by Glenn McArdle

The new unit installed without a hitch and seems to function properly. The former unit was installed in 2005 and gave us no trouble until one day it started beeping incessantly, even with a battery replacement.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 09/12/2019 by ryan psimas

Smoke detector works perfectly. Wire harness matches the previously installed detector making new install easy. Great product.

Time to Change the Smoke Detectors

Reviewed: 09/12/2019 by Larry Feldman

Great to be able to exactly match the model that was installed. Easy to order, shipped promptly, and easy to swap out. Good for another 10 years!

9120B Smoke Alarm

Reviewed: 09/11/2019 by Kevin Beyer

Very easy to install, just had to remove 2 screws for the old base and put the new base in.

Smoke alarm

Reviewed: 09/09/2019 by William Brust

Product works and was easy to replace.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 09/02/2019 by Thomas Martin

Product arrived on time, easy to follow installation instructions, easy to install.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 09/02/2019 by Michael Haines

This was a direct replacement for previous smoke alarm -easy install

First alert smoke alarm

Reviewed: 08/30/2019 by Ronald Gliot

Exact replacement for my old detector installed with little effort

Best smoke alert on market

Reviewed: 08/23/2019 by Herbert White

I am a general contractor and I would recommend the first alert smoke detector to any one who wants the best. I accidentally started a fire in my oven while broiling and it saved our home.

RON

Reviewed: 08/19/2019 by Ronald Pearson

EASY TO HOOK UP

Reviewed: 08/14/2019 by Ken Turner

Product is as presented. Delivery took far too long to receive.

Smoke Detector.

Reviewed: 08/07/2019 by Will Estes

Easy to install and works perfect.

Replace older First Alert 4

Reviewed: 08/05/2019 by jeff kar

Ordered to replace older than 10 yrs in my house they where in it when I bought it. They were made in 2005. Fit perfectly did not have to change mounts just unplugged turn and reinstall and plug back in

Excellent Replacement

Reviewed: 08/05/2019 by Mike N

Excellent replacement with identical plug and same size base.

Hardwired smoke alarm

Reviewed: 08/05/2019 by David Yoon

I installed these for the bedrooms to replace an older model. Works well and installs easily. Also like the clean look of this smoke alarm.

9120B

Reviewed: 08/02/2019 by Ranae Jenkins

Very fast delv of items & new product stamp and very good quality

Reviewed: 07/31/2019 by Kent Wright

Very good product. We ordered ten units

Great Product

Reviewed: 07/31/2019 by EFSTATHIOS TOURNAS

Very happy with the product, been using First Alert for over a decade and it works great

Smoke Detector

Reviewed: 07/22/2019 by Robert Allen

Very easy to install and good quality

Reviewed: 07/22/2019 by Don McConnell

The items in question were installed by members of the local fire department. They said that they had improvements and were impressed with the 10 year warranty

9120B installation

Reviewed: 07/16/2019 by Kevin Beyer

Was replacing an old 4120B with a 9120b alarm. Easy to install the new base and the wiring was the same

Reviewed: 07/09/2019 by rudy aguado

EXCELLENT SMOKE DETECTOR. EASY TO INSTALL.

Great product...Great Price

Reviewed: 07/08/2019 by Jacobus Greeff

Easy to install with everything you need to keep your family safe included.

Reviewed: 07/05/2019 by Julia Brown

Great price and great product

Happy happy

Reviewed: 07/01/2019 by Parfit Frank

Found the best price on these product after searching on line and received it thru FedEx faster then I was expecting. I was very satisfied with the product, price and service.

First Alert 9120B

Reviewed: 06/24/2019 by Douglas Krok

This was a direct replacement for my other 9120B that had expired due to its age. I am very happy with this unit because it's both hard wired and comes with battery backup. It's easy to install and has a sleek look to it.

First Alert 9120B

Reviewed: 06/24/2019 by Douglas Krok

GREAT

Reviewed: 06/18/2019 by Robert Falkowski

Just as I had expected!!!!

Smoke Alarm

Reviewed: 06/17/2019 by William H Folsom

Easy to install and they work fine.

First Alert Smoke Alarm

Reviewed: 06/17/2019 by SGM Peter

Safe at home with First Alert I use the 9120B throughout our home and have for 19 years. First Alert is not my FIRST choice. It's my ONLY choice.

Smoke alarms

Reviewed: 06/14/2019 by Peggy Butler

Order was easy and installation all working I gave you a 5 rating thank you

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 06/13/2019 by Colette Doyle

Exactly as described. Thank you!

Reviewed: 06/06/2019 by Ron Koehn

Had good service for 11 years. One alarm had couple of nuisance alarms. Same alarm still available which made an easy replacement.

First Alert Smoke Alarms Are The Best!

Reviewed: 05/28/2019 by Judy Smith

These smoke alarms are the best. They are easy to install, and I trust this brand to be the best. Nothing else compares. Good looking too!

Smoke alarm

Reviewed: 05/20/2019 by Lyle Parkins

Best alarm you can buy not only smoke but carbon dioxide also

Matching alarms

Reviewed: 05/18/2019 by Michael Hastriter

Good product came with dust shield to limit construction particles. Mounting plastic rings did not come with screws which was inconvenient. Devices took awhile to arrive but the price was very reasonable. Most importantly, these alarms matched the ones already in our home.

First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Reviewed: 05/16/2019 by George Watson

Ordering was easy, shipping was prompt, installation was a simple swap out, and we are now set for another 10 years. Thanks First Alert!

replaced 10 old alarms

Reviewed: 05/07/2019 by Joan Steinberg

First Alert customer service was great. Easy ordering and fast shipping. Best price on the internet. The real deal

Reviewed: 05/06/2019 by Ralph Verni

Exactly what I ordered. Very happy

Reliable company

Reviewed: 05/02/2019 by Dawn Cinker

This compnay always ships immediately and gives updates. I highly recommend

First Alert Model 9120B Smoke Alarm

Reviewed: 04/30/2019 by SGM Pete

My choice for 19 years. Reliable and affordable.

Reviewing my purchase

Reviewed: 04/30/2019 by Randall Arndorfer

Great product and very good price. A life saver!

Randy

Reviewed: 04/29/2019 by Randall Rogers

Very pleased with first alert. Very easy to install and good price. Highly recommended

Randy

Reviewed: 04/29/2019 by Randall Rogers

Very pleased. Simple operation and easy to install. Highly recommended.

Perfect replacement

Reviewed: 04/18/2019 by Glen McPheeters

As my home is now 10 years old, some of the installed as new First Alert smoke detectors are beginning to fail. The low battery chirp doesn't stop even with a new battery. As such, I purchased a supply to replace them as needed. The replacements are a perfect plug & play replacement. Just unplug the old, plug in the new, and fit it on the existing ceiling plate. 1 minute job. Couldn't be happier, and, the price was right, with free shipping as well!

smoke alarm 9120B

Reviewed: 04/17/2019 by Mark Potter

Arrived as promised. Each unit was perfect with Battery included. Easy installation. Great Experience with the entire order process.

Pete1955

Reviewed: 04/06/2019 by Raul Pedrozo

Easy to install and worked perfectly

works great

Reviewed: 04/03/2019 by Shawn Long

This smoke alarm works great and with all others in the house.

Just as ordered

Reviewed: 04/01/2019 by Phil Sellars

Got this unit to replace a 10 year old First Alert installed in my home which wouldn't stop chirping. New unit was hard to install using the existing pigtail connector but finally managed to get seated. Other than that installation was simple.

Reviewed: 04/01/2019 by William Banks

I purchased 7 of these smoke alarms to replace the ones that came with the home. It was a simple install and they look great. All were tested and worked. Delivery was fast and the ordering procedure easy.

Reviewed: 04/01/2019 by Andrew Masone

Easy Install, next time I'm getting the sealed 10 year battery!

Easy installation

Reviewed: 03/30/2019 by Home owner

I bought the condo with expired fire alarms. I found out when I was planning to sell 5 years later. The original brands were fire alert. I watched multiple videos on YouTube on how to install. Luckily the original power connectors could still be plugged into new alarms, saving me electrician charges.

Very good product

Reviewed: 03/25/2019 by Susie Knight

I have been using these smoke alarms all over my house. They work great. They are a good, reliable product.

9120B installs

Reviewed: 03/23/2019 by John Dawson

Arrived in great condition. Easy to install as they were a replacement for the exact unit that was installed for 14 years. Only had to replace 2 of the trim holders as the older ones were slightly off in color compared to the new alarms. Easy to replace those with loosening of 2 screws. Every one worked fine after the install with no issues.

Replacement alarms

Reviewed: 03/19/2019 by Richard Molnar

I purchased replacement alarms identical to the ones that came with my house and were 10 years old. They were easy to install and work as flawlessly as my other alarms.

Perfect replacement

Reviewed: 03/18/2019 by Robert Sutphin

Needed to replace a fire alarm that had begun to malfunction. The new one arrived quickly, packaged well and I was able to plug it in without replacing the base.

Reviewed: 03/18/2019 by Judith Baker

Easy to install. Didn't need an electrician for hardwire if replacing with like kind.

Tom

Reviewed: 03/18/2019 by Taher Mohammed

Product worked as expected and was also able to communicate with other alarms in the home.

Great price!

Reviewed: 03/15/2019 by William E

The price was great. Cheaper than anywhere else. Fast delivery. No fire or smoke, so I can't comment on how well it works.

9120B

Reviewed: 03/14/2019 by Floyd Schmitz

Ordering was very simple and the service was fast. Was able to replace my older First Alert smoke alarms eight in all in about 90 minutes. This included replacing the ceiling brackets. Yes, the new smoke alarms were compatible to the old brackets, but for a cleaner look it was easy to replace the old brackets with the new ones. I was very pleased that the smoke alarms came with the 9-volt batteries.

It connects with all the other ones we have

Reviewed: 03/14/2019 by Shawn Long

This was easy to install and connects with all the others we have.

Quick and easy swap out

Reviewed: 03/12/2019 by Gerald Lomashewich

Replaced an earlier version of this smoke detector. The new detectors used the same hardwire connection as the old one. Just had to replace the base on the junction box and put on the new smoke head. Easy! and my house is up to date for another 10 years. Great service and shipping from the First Alert online store. If you need First Alert products, just go to the online store. They will have what you want.

No Problems

Reviewed: 03/11/2019 by Brian Hernandez

No issues. I tried calling on the weekend, but Sales Desk apparently is only open on weekdays. I called the service number and, since the smoke detector that I was replacing was over ten years old, the service desk helped me to ID the proper replacement model. I then went and ordered it online. Product arrived less than a week later. All good.

Perfect Match

Reviewed: 03/11/2019 by Mark Messina

The smoke detectors that I needed to replace were old, this unit was the exact fit and the plug for the wiring was the exact match. Very easy to install!

Safe Now

Reviewed: 03/05/2019 by Garth Lien

Instructions very clear. Easy to replace existing smoke/fire alarms. Came with all the parts needed. Replace all the ones in our house.

Perfect, Quick Service, Right Price

Reviewed: 03/05/2019 by Milton Karl

Everything you want, Great price and service

Reviewed: 03/05/2019 by Justin Sabelman

Fast to ship! Good Product!

Thanks!

Reviewed: 03/04/2019 by Joe DeChristopher

Good Customer Service. Fast and free ship! It's ALL good.

Very good product

Reviewed: 03/01/2019 by Robert Bujakowski

Very good product

Smoke

Reviewed: 03/01/2019 by YILI Pan

good product

Good One

Reviewed: 02/28/2019 by sriram Sagi

good price

Great purchase!

Reviewed: 02/25/2019 by Vasilii Spirkin

Lowest prices, convenient online store, fast shipping and good packaging. Will buy again here! PS. All 3 new smoke alarms work well so far, came with 9V batteries and work with 9v rechargeable batteries also. Easily installed I have same connector but older base is different size - replaced in a minute. Have it for a week and no chirping so far.

Fast efficient service

Reviewed: 02/18/2019 by Michael Karwatsky

The product was an exact match... Reasonably priced !

Very pleased with purchase

Reviewed: 02/18/2019 by Michele Fiacco

Out of the box, pull battery activator out and plug in. My first alerts had about 2 years left on warranty. I decided to replace all 11 as to not have a house inspector and new buyer nickel and dime me to death.

works great

Reviewed: 02/15/2019 by Shawn Long

Fits with all the others in the system.

Fire Alarm

Reviewed: 02/15/2019 by HARRY PATTERSON

Perfect in every way

Smoke Detector

Reviewed: 02/15/2019 by Louis Simmons

I had built my house in 2002 and installed all the required smoke detectors and CO2 detectors. This year I had one that slowly chirped and finally realized that they all needing replacement. I feel safe again.

Reviewed: 02/15/2019 by Bob Barrett

Excellent

Smoke Alarm

Reviewed: 02/15/2019 by Sally Stunkel

Easy to install, easy to order

Smoke

Reviewed: 02/14/2019 by YILI Pan

VERY GOOD

Good product

Reviewed: 02/12/2019 by Wayne Litschge

very good same as one I replaced.

Smoke Alarm

Reviewed: 02/11/2019 by Ronson Rajopa

Great service and product. Was very Happy when the smoke alarm was received the 9v battery was included.

5 star rating

Reviewed: 02/11/2019 by Dawn CINKER

I am very impressed with the ease of ordering along with the quickest that I receive my order and it is accurate each time

Trusted brand, quality product.

Reviewed: 02/11/2019 by Richard Krausse

I have great confidence in this smoke alarm. It has a long ten year life and is easy to install. I feel secure knowing my family is protected at a very reasonable price.

first alert

Reviewed: 02/11/2019 by Bob Barrett

Good service

Great Inexpensive Smoke Detector

Reviewed: 02/11/2019 by Edmund Hayes

Installed in minutes. Works perfectly when tested. Does the job at a low price without sacrificing safety.

Great product and service

Reviewed: 02/10/2019 by Dev

I recently replaced all my smoke detectors with these. They work great and easy to install. Customer service was great as well.

Excellent Product

Reviewed: 02/10/2019 by Ram

Easy install, very quick delivery, very satisfied

great product!

Reviewed: 02/08/2019 by Pamela Holmberg-Wertz

These smoke detectors are top shelf! Love it! Very easy installation and quality.

Reviewed: 02/05/2019 by George Johnson

It was virtually plug and play and went very easily and well

Detectors

Reviewed: 02/05/2019 by Ron LeGrand

We purchased five smoke detectors for our condo which replaced the original ones. First alert store is one of the best if not the best online company I've dealt with for any type of product. The service delivery, pricing, online help was simply outstanding. We have recommended first alert store.com to the managing company at our condo and encouraged all people to replace their units by using first alert store.com. They are simply the very best.

Replacment

Reviewed: 02/04/2019 by Tim White

Worked great to replace an older unit!

As advertised

Reviewed: 01/31/2019 by Bob Zierden

Easy to install. I installed all seven in less than an hour.

Replacements

Reviewed: 01/31/2019 by Terry Penton

Thanks for the replacements I needed. They are great to have them working again.

Reviewed: 01/28/2019 by Duniel Fernandez

Just great!!!

Michael

Reviewed: 01/28/2019 by Michael McGinley

Great product and easy to install.

Great protection

Reviewed: 01/26/2019 by Miriam Gomez

These smoke alarms are very reliable, I have been using them since 2005 and the electricians installed them.

Replaced 20 year old alarms

Reviewed: 01/25/2019 by William Rousseaux

As advertised, these alarms installed easily. They tested good after the install. The green light is on. No more false alarms at 2AM, as the old original alarms did. I will replace them again in ten years.

Reviewed: 01/22/2019 by Aron Roseman

Order was exactly what I expected it's working fine great price.

Professional Company

Reviewed: 01/22/2019 by Jerry Schlebach

Professional Customer Service I replaced 5 smoke alarms 9120B after 12 years. Thank You for your help! Just unplugged old ones and plugged in NEW ones now I can sleep.

Easy replacement

Reviewed: 01/21/2019 by Garth Lien

Easy to replace the pigtail for the new smoke detectors. All tested good. Easy directions. The mounting plate is larger than the original. Makes for a nicer visual fit. Mounting plate has many different screw pattern options. Battery access is very convenient. Would order them again. I ordered from the First Alert store fast shipping.

It connects with the group

Reviewed: 01/21/2019 by Shawn Long

We had 1 go bad and ordered this one which is the newer model of the rest of the house. All I had to do was install this with the base it came with and connected it up. All other detectors love it so I'm guessing it works. Lights show good.

Smoke Detector

Reviewed: 01/17/2019 by Brian Bishop

Great deal on 5 smoke detectors. Very easy to install. Would buy again.

Reviewed: 01/16/2019 by John Klus

Unit replaced existing ones with direct plug in replacement. Quick and easy installation.

First Alert Review

Reviewed: 01/16/2019 by Gloria Markham

Perfect replacement. Thank you.

Replacement

Reviewed: 01/15/2019 by Ashley Donnelly

Bought to replace and old smoke alarm and it fit perfectly. It was also delivered as promised.

Smoke Detector

Reviewed: 01/11/2019 by Robert Jarosik

Until I have a fire, I really can't review this product because I don't smoke. Your service was great.

Easy Replacement

Reviewed: 01/10/2019 by Michelle Howard

Easy plug in to replace old unit with new one. The old units were the same model and lasted for 10 years.

Smoke

Reviewed: 01/10/2019 by YILI Pan

very good

Purchased

Reviewed: 01/09/2019 by Rick Crosby

Happy with the product and online shopping experience the free shipping was good but very slow

A great Smoke Alarm

Reviewed: 01/08/2019 by Mark Brannon

First Alert Hardwired smoke alarm with Battery Backup is a great product to put in your home. This alarm system have not let me down in no emergency situation. Even when my wife is cooking this alarm goes off when shes in the kitchen burning food. So I'm pleased with this product in keeping my home safe thanks First Alert.

Good purchase

Reviewed: 01/05/2019 by Katie Patel

Everything was good, items were good too. Nice buying from this website.

replacing a smoke alarm with battery backup

Reviewed: 01/02/2019 by Edward wetmiller

We needed to replace a 9120B and the first alert store was the least expensive place I found. and it offered free shipping and no sales tax. all around winner!

Hard Wired Smoke Alarm 9120B

Reviewed: 01/01/2019 by Rohan Seneviratne

Replaced 2 smoke alarms within a few minutes and they are working perfectly.

Reviewed: 12/29/2018 by Ivan Ashford

Works great. fast delivery

Smoke detector

Reviewed: 12/29/2018 by robert goldberg

Replaced previous detector- easy to do - starting working right away previously

Great Product!

Reviewed: 12/28/2018 by Vickie Golden

I replaced 4 smoke detectors in my home. It was quick, easy, and also cost effective. I really appreciated the good quality 9 volt batteries that came with!

Smoke

Reviewed: 12/27/2018 by YILI Pan

excellent product

Homeowner

Reviewed: 12/25/2018 by David Dettmann

Our home detectors are 11 years old and starting to fail. The new ones replaced those that have gone bad. Very easy since they are same model. Just plug in new unit and I'm back in business. I will order a couple more for back ups.

Additiondecided to place in garage

Reviewed: 12/24/2018 by michael sedillo

Decided to place one in garage to be perfected great product

Exact replacement part

Reviewed: 12/11/2018 by Robert Beadle

This was a replace for 18 year old units. It went into place exactly as the original.

Efficient and Cost-effective

Reviewed: 12/10/2018 by ANTHONY CONGRAM

Ordered and obtained plug & play replacement detectors for entire house 7. Saved ~$10 over big box stores, and also did not need to wire-in new system plugs. Saved time, saved $$ Package arrived quickly. Good project. Thanks!

Works great. Thank you

Reviewed: 12/10/2018 by Shopper

Hardwired it with other alarms. Works great. Thank you

perfect

Reviewed: 12/10/2018 by michael moore

Perfect

Piece of mind

Reviewed: 12/04/2018 by Michael Lansky

I have been using First Alert for years and have been very pleased with their products. This alarm is replacing one that was reaching the 10 year replacement cycle. I expect to have 10 years of trouble free service for this alarm.

Plug and Play

Reviewed: 12/04/2018 by Graham Putnam

Unplug the old and plug in the new. Could not be easier. Received the package earlier than expected.

Reviewed: 12/04/2018 by Philip Deslandes

5 in pricing and product

Completely Satisfied

Reviewed: 12/03/2018 by Tiffany Vincent

Originally ordered two, and then went back and ordered three more. Easy to install.

Good merchandise

Reviewed: 11/28/2018 by Ning Mou

It's a very good product!

First alert smoke alarm

Reviewed: 11/28/2018 by Rose Torrey

Very good

Works as intended

Reviewed: 11/27/2018 by Ray

Great product, will be purchasing again!

Review

Reviewed: 11/26/2018 by Wendy Johnson

These are the only smoke alarms I have ever used in my house they are sensitive but for good reason I know these alarms would save mine and my family's life's due to being in working order I will be buying some more in the future also will refer to friends and family

Reviewed: 11/26/2018 by A.W.

Arrived on time and product was not damaged during shipping.

excellent products & service

Reviewed: 11/26/2018 by Vipul Patel

Look forward to more business with you.

They Work Great!

Reviewed: 11/26/2018 by James Rourke

I purchased 6 detectors to replace the same model detectors that were 10 years old. Detectors plugged into existing connectors and base rings. No problem. They work great.

9120B-

Reviewed: 11/24/2018 by Jerry Palla

Easy to install and they really work great

smoke alarm

Reviewed: 11/19/2018 by Wolfgang Labza

fast delivery and simple / quick replacement of the old device.

Very pleased

Reviewed: 11/19/2018 by Sandra Peavey

Very happy with purchase. Received items quickly and at a lower price than Lowes.

Reviewed: 11/12/2018 by Diane Lyle

Great Job. Order was easy and received right on time. Thank you very much

fast service

Reviewed: 11/06/2018 by Dawn Cinker

love the ease of ordering and the fast shipping.

My Saturday Afternoon

Reviewed: 11/06/2018 by Anthony DiSanto

Changed out 10 year old detectors with these units, simple. All 10. They look nice, cause my wife said they had to be nice looking, really! ok fine. It's Saturday and it might be date night so... Actually I had her replace one or two. Easy battery replacement access, interconnected testing modes, cute lights and not expensive. One note, this model use ionization so you might want to use a photodect model in your kitchen like I did since even turning the oven on made it go off. Maybe I should get her to clean oven, no! Different model, same brand and of course it look the same. Enjoy you Saturday!

Exact replacement

Reviewed: 11/03/2018 by Bruce Hettleman

This unit was purchased to replace an aging but identical unit that continued to beep after battery replacement. The old unit was dated 2011. Must have timed out. New unit stopped the problem. It was very reasonably priced and fits the old wiring exactly. Quick fix. I bought an extra one.

Good product

Reviewed: 11/02/2018 by DOUGLAS LADD

Good product. Have had 10 running well for 20 years. Had to replace 2 and they are working just fine. Fast delivery Thanks.

Reviewed: 10/23/2018 by Dawn Cinker

Quick service, perfect replacement for our old alarm

Very Good

Reviewed: 10/22/2018 by Judith Golab

I was surprised with quick phone support validating the model I need to replace I was correctly ordering. All items arrived quickly - easy install and came with batteries- surprised. Recommending to all friends replace units - you will feel safer - mine were 14 years and over due

Great Product

Reviewed: 10/18/2018 by Richard Dimmick

USPS managed to smash padded envelope smoke detector was packed in but detector OK.

Good

Reviewed: 10/18/2018 by Jie Zhang

I bought it to replace a malfunction one which was 6 year old.

Alarm meets needs

Reviewed: 10/03/2018 by David

Product was a replacement for an older version. Installation was easy. Will know if very good is warranted when and if situation occurs.

Reviewed: 09/19/2018 by Robert Taylor

The alarms were as I had ordered and, although they have not alarmed I believe they will function properly.

smoke alarm

Reviewed: 09/13/2018 by Dawn Cinker

Product was exactly the right detector to replace our old one. good email updates on shipment status

Good Response

Reviewed: 09/13/2018 by Harry Colvin

Order was received quickly

Smoke Alarm

Reviewed: 09/10/2018 by Alexander Pamphilis

Very happy with the speed of the delivery. I installed these myself.

Where???

Reviewed: 09/05/2018 by Heather Marsh

Alarm seems great, but where do I put it??? Help please!!!

Customer Service Response:

Hey there, Heather. The NFPA recommends that homes should have smoke alarms installed inside every bedroom, outside of each sleeping area and on every level of your home, basement included.

Reviewed: 09/04/2018 by Robert Murphy

Item still not received since ordering 2 weeks ago???

Customer Service Response:

Thank you for contacting us, Robert. A customer service representative will be contacting you shortly. They will provide answers to all of your shipping inquiries.

Replacement ionization

Reviewed: 08/25/2018 by Greg Bloskey

Good dependable units. I've had twelve BRK alarms interconnected across my property for 20 years now

Reviewed: 08/15/2018 by Samuel Alberti

This my second First Alert smoke alarm systems. I use 4 for my house , very to reinstall . Never had a problem with my other expired units. I highly recommend First Alert.

Very good

Reviewed: 08/06/2018 by Vincent Casolaro

Came back to buy a bunch more.

Great price for a solid alarm

Reviewed: 08/03/2018 by Mark Zuc

Had these delivered within days and installed within minutes. Had my original First Alert smoke alarms for 10 years so it was time to replace them, these worked perfect, very happy!

Great product

Reviewed: 07/23/2018 by Vincent Casolaro

Works as expected, exactly what I needed to plug into my existing system.

Lowest price plus from the factory store.

Reviewed: 07/19/2018 by Richard Krausse

I was surprised to find the best price for my alarm at the factory store. It gives me 100% confidence that I bought a genuine First Alert product and not a possible counterfeit one.

easy install

Reviewed: 07/13/2018 by STEPHEN PLACE

This unit presented a challenge. The electrical box had wires in it but they had never been stripped. So I stripped the wires, attached it and VOILA! it tested fine with the system.

easy install

Reviewed: 07/13/2018 by STEPHEN PLACE

I ordered this smoke to replace a similar unit. Easy peezie! Just plugged it in and reattached it to the existing ceiling bracket.

Reviewed: 07/09/2018 by Louis Brandstetter

Excellent

Paid less than anywhere else on the internet

Reviewed: 07/05/2018 by Richard Krausse

So surprised to order something from a factory store and pay less than found on other sites on the internet. It was quickly shipped and received.

Perfect

Reviewed: 07/04/2018 by Jennifer Baker

Item was exactly what I needed. It arrives quickly and shipping was free. I will definitely be shopping with First Alert again.

Total Satisfaction

Reviewed: 06/26/2018 by alberta connelly

I received my second order for two. 1st order by son. Handy to have them on hand for my aging new house!

Great product

Reviewed: 06/14/2018 by M Mermelstein

I replaced a First Alert alarm like the one I had. For some reason it just kept chirping and new batteries made no difference. After checking several local retail stores and not finding an alarm like the one I had, I found the exact model online at First Alert. The order process was fairly easy and the alarm actually arrived ahead of the anticipated delivery time. The alarm was exactly like the one I had. I am totally non technical and would not attempt the installation so I had a friend install it and apparently the process was fairly easy and the alarm immediately worked when installed. Am very pleased to have been able to replaced an alarm with the exact model I already had. Very pleased with the entire process from ordering to receipt to installation and am quite pleased with the alarm.

Easy to Replace 9120B

Reviewed: 06/13/2018 by Venkata Paturi

I bought a 9120B smoke alarm to replace an existing defective one. I just changed the smoke alarm not the base. It is very easy to replace. The new alarm is working fine and there is no issue. However, the product is delivered later than the promised date.

Simply Good

Reviewed: 06/09/2018 by Joseph Cudzynowski

Order handled efficiently. Promptly shipped.

Reviewed: 05/23/2018 by Van Robinson

These were the smoke alarms that were installed in our home when I bought it in 2010. They have worked well since we moved in, and since the house was built in 2007, I figured it was time to replace them. That's why I ordered the same model that we had already.

Reviewed: 05/17/2018 by Mary Lydon

Delivery was very good and packaged properly. Easy to find what I needed on your website.

Reviewed: 05/11/2018 by Bill Wickham

Quite pleased

Easy Peasy

Reviewed: 05/10/2018 by Charles Yates

Nothing I hate worse than trying to figure out what alarm is beeping at 3 am and why a new battery doesn't stop it! Simple solution replace the alarm. First Alert store makes the process easy and inexpensive.

Excellent!

Reviewed: 05/09/2018 by Charles Schudson

I ordered five First Alert smoke alarms to replace my old ones. The price was a fraction of what I would have paid at Home Depot. The ordering was easy the delivery was prompt. The installation was easy. Thank you!

Excellent smoke alarm

Reviewed: 05/07/2018 by Christopher Walker

Easy to install. Excellent smoke alarm

Reviewed: 05/03/2018 by Melvyn Zahn

very good service

Happy

Reviewed: 05/02/2018 by Terry Smith

They came quickly and work great, they were replacements for old ones.

Great product

Reviewed: 04/17/2018 by Stella McMichael

Dealing with this company was easy with fast delivery....Product was easy to install and true product description.

Reviewed: 04/16/2018 by Devin Reed

Great product. Thank you!

Happy customer

Reviewed: 04/03/2018 by gerson shapiro

excellent product--great service. Thank you....

Smoke alarm

Reviewed: 04/03/2018 by stephen mustacchio

Easy to install.

Reviewed: 04/03/2018 by Marvin Ray

I decided to replace 5 of my First Alert Smoke Detectors because they have been used in my home for about 13 years. I contacted First Alert to obtain the correct replacement model for what I currently had. I wanted to make sure the new Model would just plug into the existing hard wire models. I was assured they would plug in the the hard wires without any problem. This was the case and all 5 First Alert Smoke Detectors are installed and working as required.

Reviewed: 04/03/2018 by Robert Toth

Price at First Alert was lower than hardware stores....easy to install...quick delivery....would highly recommend...

Smoke Alarm

Reviewed: 03/27/2018 by Evan Hammer

Product works well. Never had any issues with them. The item was received faster than they estimated.

Easy Peasy

Reviewed: 03/20/2018 by Sally Spencer

The units were easy to install. They are neat looking and work well.

Wired Smoke Alarm

Reviewed: 03/19/2018 by John La Duke

Clear instruction. Easy install. Great price

Service Dept. A#1 !

Reviewed: 02/26/2018 by Richard Smith

Our old Alarms went off in the middle of the night , First Alert Service Dept. said they were at the end of life and need to be replaced , ordered , replaced , great price ! Very Happy ! A-1

Excellent!

Reviewed: 02/22/2018 by Geoff Burrows

Great design, clear instructions, easy install!

First Alert alarm

Reviewed: 02/21/2018 by Keith Kitchens

Just the product I needed. Needed to replace a broken unit. Replacement was quick and simple.

Reviewed: 02/14/2018 by Vetta Nelson

Great product

Great

Reviewed: 02/12/2018 by Richard Meister

Ordered replacement smoke detector for my condo from First Alert. They arrived within days, fit the existing mounting screws as I was told, work perfectly and at a very reasonable price... very satisfied customer.

Reviewed: 02/08/2018 by Gaylan Gallacher

We love the First Alert products. They are manufactured with precision and are dependable. I replaced the ones in our home that were ten years old with this recent order.

New smoke detector

Reviewed: 02/06/2018 by Paul Nunemann

It was great to have an easy to read and easy to order web site. The website even helped determine if I needed a new detector. When it arrived it was just what I needed with super easy instructions. Price was reasonable too.

Very satisfied

Reviewed: 02/06/2018 by David Hall

Online order process user friendly, product shipped promptly after order, great value on product which arrived in good condition. Plans to review other products for purchase in near future.

Reviewed: 02/02/2018 by James Clark

I purchased this as a replacement to an original alarm which was damaged. It performs very well with no problems at all.

Smoke alarm

Reviewed: 01/30/2018 by Robin Amadea

I needed to replace my old smoke detectors. The replacements were easy to install and it was great knowing we are all safe again.

Smoke Alarm replacement

Reviewed: 01/29/2018 by Harold Barras

Home 10 years old..alarms chirping. Replaced with same alarm and working fine. Only received 9 units of 10 ordered. Called and 10th unit promptly sent out. Good service. Thank you.

Perfect replacement

Reviewed: 01/25/2018 by Ed Daniels

Ordered one to replace the same unit in the hardwired system. A perfect fit. Two minute install.

Reviewed: 01/25/2018 by Kelli Cobb

Easily changed old detector with new one. Just snaps right in.

Reviewed: 01/24/2018 by Craig Thomson

Pleasantly surprised that batteries were included

10 yr Replacement --- models still exist

Reviewed: 01/23/2018 by Carol Weber

Was able to replace all of my original smoke alarms with the same identical models after 12 years. My dog is very happy that the loud chirps intermittent chirps from different alarms has stopped. Our area has been known for intermittent electrical interruption so I wasn't immediately thinking it was an issue with the actual smoke detectors. Once they were all switched the problem was solved. until the next electrical outage...

easy to install

Reviewed: 01/22/2018 by Heather Mabry

Alarms are extremely easy to install. Easy to test and are extremely loud. You will know when there is a potential fire in your home.

Reviewed: 01/22/2018 by Cassie

Awesome price and fast shipping. Thank you so much!

seems great

Reviewed: 01/22/2018 by Tim Meyer

reasonable price, easy installation where I was replacing older ones,came with batteries, prompt shipping, very satisfied

First Alert Hardwired Smoke Alarm with Battery Backup, 9120B

Reviewed: 01/20/2018 by Kamal Khoury

Great product, easy to replace comes with battery, free shipping. Now our new smoke alarm operates as it should, we are covered.

EASY INSTALL

Reviewed: 01/19/2018 by L CHARLES LENTZ

LIVING IN NEW HOME 10 YEARS WITH 6 OF THESE UNITS. I BROKE THE LATCH CHANGING ONE OF THE BATTERIES AND WAS THRILLED THAT THE NEW UNIT WITH AN EASIER BATTERY LATCH COULD BE PLUGGED RIGHT INTO THE OLD WIRING. WELL PACKAGED AND SIMPLE ENOUGH TO DO MYSELF. THANK YOU

Thank you.

Reviewed: 01/18/2018 by Hal Barcey

I am confident with first alert. I have one suggestion: Include a decal for putting on the install date on each alarm as they expire.

Smoke Alarms!

Reviewed: 01/17/2018 by Rachel Mashburn

Smoke alarms are great and service was excellent. Received the order promptly. Thank you!

lanny kasner

Reviewed: 01/17/2018 by Lanny Kasner

the hardwired smoke alarm that I ordered was easy to install, came in a timely fashion

Reviewed: 01/17/2018 by Leslie Soldani

Very good

Reviewed: 01/17/2018 by Kathi Hamilton

Perfect product, perfect quick service. Thank you.

Reviewed: 01/10/2018 by Phoebe Dedonis

Works well. Installed with hard wired system. Arrived on schedule, well packaged & best price.

Reviewed: 01/03/2018 by Patrick S Amello Sr

the best thank you! the lady that took my order was the best!

Reviewed: 12/29/2017 by Robert Levine

Installed when received. Took the place of another of the same. 5 min to reinstall. Works fine

Reviewed: 12/28/2017 by Les Soldani

Thanks for quick delivery!!

Just what I needed

Reviewed: 12/27/2017 by Kenneth Monday

Bought 5 replacement smoke detectors, just what I needed. All I had to do was, plug them in and install on existing bases. Easy as could be! Thanks!

PERFECT

Reviewed: 12/25/2017 by JAMES SCHOFFSTALL

Easy to install and works perfectly on both AC & BATTERY

Built to last

Reviewed: 12/05/2017 by Steve Meidlinger

After nearly 8 years it was time to replace my old First Alert detectors. I was surprised the old ones would last this long but am sold on First Alert.

Reviewed: 12/04/2017 by Jerry McClellan

The price was way below the other options. Service and shipment were quick, and it works great!

Reviewed: 11/30/2017 by Laurie Hirsh

Very happy. Works well and we feel safe

Great Smoke Detector

Reviewed: 11/15/2017 by Susan Garrity

Great product, easy to install, clean, sleek look.

Easy Installation!

Reviewed: 10/31/2017 by Kenneth Chadee

Replacement units fit easily into the old base. Installation was very quick and easy to handle for an old guy.

Easy to install

Reviewed: 10/30/2017 by Raymond Dunleavy

Received smoke alarm in timely manner. Swapped out old wire with new one provided and talked to tech help and it's working great. Thanks all

Great Product

Reviewed: 10/30/2017 by Dale Streufert

Works great, easy installation for a 10 year old replacement.

Smoke Alarm/Battery

Reviewed: 10/26/2017 by Lewis Mello

Unit functions perfectly

Reviewed: 10/26/2017 by John Raaen

Fabulous

3 hardwired/battery backup

Reviewed: 10/24/2017 by Charles Stauffer

I just installed the 3 units that I ordered and they are working just great! I am a Volunteer Firefighter since 1973. Every home should have several smoke and CO alarms.

Reviewed: 10/19/2017 by donnie beach

Fast shipping/item as described/easy to install/great value

Easy to order and get

Reviewed: 10/11/2017 by Michael Garren

Easy to order and get. Delivered ahead of schedule. Great value, exactly what I wanted

Perfect Fit

Reviewed: 10/02/2017 by Jim Dobbins

This retrofit hardwired smoke alarm fit perfectly in the existing box although I did have to replace the mounting base. 9volt battery backup also.

Reviewed: 09/30/2017 by Emily Tew

Easy to install

Smoke Detector

Reviewed: 09/19/2017 by Asher Bronfeld

Works well- no problems so far

Reviewed: 09/10/2017 by Fred Himburg

I guess Harvey made the delivery longer than normal. But the product arrived just fine.

good deal

Reviewed: 09/09/2017 by DAVID JAY

Delivered as promised

Rest Easy

Reviewed: 08/28/2017 by James Kuntzelman

Glad to have been able to replace existing 11 year old hard worded alarms. No more false alarms or midnight beeps.

Quick Delivery

Reviewed: 08/10/2017 by Allen Masuda

The alarm arrived in two days. I quickly installed it and went into other things.

Great product

Reviewed: 08/08/2017 by Kim

It was just what I was looking for at a great price! I couldn't be happier with the product and service!

Fire Alarm hardware

Reviewed: 07/17/2017 by Alvin Brewton

Replacement unit for original equipment in home. Solved system problems and operating like a new system

smoke alarms

Reviewed: 06/14/2017 by Theodore Koch

Interchanged with ones we had 10 years ago so easy to replace the old ones.

Reviewed: 06/13/2017 by Robert Sines

Replaced 9 old 9120s with 9 new ones. All of them all worked perfectly. Only small hassle was mounting ring was a different diameter than the old ones but that is an easy problem to get past... 2 screws, half twist and it's done.

Great service

Reviewed: 05/22/2017 by Terry Patti

Technical person Tiffany provided proper information to replace model that no longer existed. Sales dept. shipped product quickly and at a very reasonable rate.

Reviewed: 05/08/2017 by David Syling

Easy installation. I replaced a bad unit with a new one. Works great

Awsome Product

Reviewed: 05/05/2017 by Byron Rieckman

Well I installed a system of 9120b interconnected smoke alarms and they worked better than the older product, a brk smoke detector which had outlived its usefulness. I recommend you use First Alert/BRK products

Great product, great service

Reviewed: 04/28/2017 by J COLLINS MEEK

Got the right product in jig time to install throughout my home. So nice to know that the smoke alarm will last for ten years with timely battery changes! - Doc Meek, South Jordan, Utah

Quality and simple installation

Reviewed: 04/24/2017 by Don Weiss

Once I received the new First Alert smoke alarms, I was pleasantly surprised to find both contained batteries. Installation was less than 5 minutes to replace both bad units. Great product!

Reviewed: 04/17/2017 by Mark Schneider

Fair Price easy to match P/N with existing smoke alarms and reasonable shipping time

Reviewed: 04/03/2017 by Jovito Tabares

compatible with existing wiring.

Pleased with product and service

Reviewed: 03/14/2017 by Kurt Eddy

The person that took my order was knowledgeable and kind. The products arrived quickly. I was motivated to replace my alarms due to a house fire in my region and that killed three children.

Review of 9120B Alarm

Reviewed: 02/21/2017 by RET CW4 Owen McDaniel

The item was the exact replacement as need. Worked properly and easy to install.

Smoke Detector

Reviewed: 01/27/2017 by BR

This smoke detector is better then the Kidde product I used to have, when I sometimes over cook foods this alarm goes off quickly, the older Kidde product took a while to activate. I'd recommend this smoke detector to anyone who is looking to upgrade their units.

Reviewed: 01/26/2017 by William Sydnes

Good price - very easy to install and works great. I installed a LONG life battery Vs the one which came with it.

Wired smoke alarm

Reviewed: 01/06/2017 by Michele Chapman

This was a replacement. Easy installation. Works great.

9120B Smoke Alarms

Reviewed: 01/05/2017 by Mark Toussaint

Arrived quickly, easy install, all 7 work great

protected again

Reviewed: 01/04/2017 by douglas wiseman

Replaced 6 hard wired smoke alarms-product as described. Easy replacement. Good price and quick delivery.

Reviewed: 12/20/2016 by thomas cychosz

Order was filled and delivered quikly

Reviewed: 12/16/2016 by Michael COFFEY

Unit replaced smoke alarms which were older than 10 years. They are hardwired into the electrical system. Test as good.

Reviewed: 11/14/2016 by Francine Finn

Received quickly. Fit as technician indicated. Would use company again.

Reviewed: 11/10/2016 by Lori Krautkremer

found the exact model that I needed at your on-line store. Ordering was quick and easy and I received my purchase within a week. Placed a second order a week later and also received them within a week. Very pleased with the product and the service.

Reviewed: 11/08/2016 by Sue Morgan

The product that I purchased was really quality and it arrived on time to my door, the customer service person was very professional and helpful, in the future if I need any of your products, it will be my pleasure to go through the same experience again.

Easy to replace

Reviewed: 11/08/2016 by Barbara Schoeff

Got the smoke alarms in a timely manner, put them in to replace two that were malfunctioning and we are good to go. The originals lasted 6 years. Thanks for the good service!

Reviewed: 11/01/2016 by Alfredo Delos Santos

The product was as advertised and worked nicely all six of them.

Reviewed: 08/29/2016 by Joseph Bergwerk

Installed it today-No problem-works fine

Reviewed: 08/29/2016 by Paul Janssen

Very pleased with the delivery time. Everything I needed was included. Fast and easy installation.

Quick Service

Reviewed: 08/28/2016 by John Ames

Quick Service Easier then searching at home improvement stores for exact model.

Reviewed: 07/13/2016 by Andrew Sanfelippo

I've installed the alarms and so far no problems.

Reviewed: 07/07/2016 by Anthony Leonardo

Ordered these as replacements for 11 year old alarms. They were advertised as direct replacements and they were. Plugged into old wiring harness with no problem.

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Pre-Order Questions

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12 Pack Bundle of First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Hardwired Smoke Alarm with Battery Backup:

How to Install First Alert 9120B Hardwired Smoke Alarms:

Connecting First Alert Hardwired Alarms to 120V Wiring

Mounting First Alert Hardwired Alarms

Installing Additional and/or Interconnecting First Alert Hardwired Alarms

Restoring Power and Testing Hardwired Alarms

Customer Reviews

5

Pre-Order Questions

Shipping Policy

Order Status

Return Policy

12 Pack Bundle of First Alert Hardwired Smoke Alarm with Battery Backup - 9120B

Hardwired Smoke Alarm with Battery Backup:

How to Install First Alert 9120B Hardwired Smoke Alarms:

Connecting First Alert Hardwired Alarms to 120V Wiring

Mounting First Alert Hardwired Alarms

Installing Additional and/or Interconnecting First Alert Hardwired Alarms

Restoring Power and Testing Hardwired Alarms

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Customer Reviews

5