- About The Store
- Home Safety FAQs
-
Customer Service
Pre-Order Questions
Shipping Policy
Order Status
- View Cart 0
First Alert Basic Battery Operated Smoke Alarm - SA303CN3 (1039796)
Ionization Battery Operated Smoke Detector
Availability:
In Stock
In-Stock Notification Sign Up
To be notified when this item is back In Stock, please enter your Email Address below:
Regular: $19.95
Price: $12.95
You Save: $7.00 (35% Off)
Basic Smoke Alarm
First Alert's Series of Basic Smoke Alarms work exceptionally well in detecting flaming fires. A Mute Button has been included to serve the dual purpose of silencing nuisance alarms brought on by cooking smoke and shower steam. This button also allows you to test the functionality of your alarm. First Alert Basic Alarms are an ideal purchase for those looking for basic fire protection with the option of conveniently muting false alarms. Basic Smoke Alarms also come equipped with an EZ access battery door that removes the hassle and burden of collecting your alarm from the ceiling and replacing its batteries. The combination of a 9v battery and an increased emphasis on the unit's 85db sound output establish peace of mind, while the inclusion of an anti-theft prevention lock all but guarantees the safest of experiences. This alarm carries a 10 year limited warranty and complies with UL217 Standards.
Ionization Sensor Reliably Detects Flaming Fires
The First Alert Basic Battery Operated 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.
Battery-Powered Alarm Installs Easily
This battery-powered smoke detector requires no rewiring and no electrician to install. Simply mount it on a wall or ceiling using the open mounting design. An end-of-life signal will notify you when the detector is nearing expiration.
Test and Silence Button
Mute Button has been included to serve the dual purpose of silencing nuisance alarms and testing the functionality of your alarm.
EZ-Access Battery Door
The addition of an EZ Access Battery Door removes the hassles and burdens associated with changing your alarm's batteries.
First Alert Smoke Alarm SA303CN3
* California and New York Residents - Please note this alarm is not compliant with your State's 10 Year Sealed Battery Alarm Legislation Requirements.
Product Details
- Power Source: Battery Operated
- Battery Type: 9V
- Sensor: Ionization
- Noise Output: 85 dB in a T3 Pattern
- Single Button: One press to silence and test alarm
- Perfect Mount: Mounting bracket keeps alarm secure over a wide rotation range to allow for perfect alignment.
- Optional Locking Feature: Secures alarm to mounting bracket
- Side Load Battery Compartment: No need to remove alarm from ceiling to change battery
- Standards: UL 217
- Warranty: 10 Year Limited
- Product Dimensions (LxWxH): 4.34 x 1.9 x 4.34 in.
- Product Weight: .54 lbs.
Product Specs
UPC:
029054018724
MPN:
1039796
Category:
Q: How often do you need to change the batteries?
A: Actual battery service life depends on the particular design of your smoke or carbon monoxide alarm and the environment in which it is installed. All kinds of alarm batteries specified in the user's manual are acceptable replacement batteries. Regardless of the manufacturer's suggested battery life, you MUST replace the batteries immediately once the unit starts "chirping" (the "low battery warning"). It is recommended that you change the batteries in your alarms when you change your clocks for daylight saving time. Also consider replacing your current alarms with 10-Year Life Alarms that never require a costly battery replacement for the ten year life of the alarm. This 10-Year series is available in smoke, carbon monoxide and combination alarms.
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: My smoke alarm keeps chirping and beeping. Why does my smoke alarm chirp intermittently?
A: It is likely that the reason your smoke alarm keeps chirping and beeping is that the battery is low. Whenever your smoke alarm keeps chirping, replace the battery immediately.
Other reasons include: It could be a different device or appliance such as a security system, monitor, carbon monoxide alarm, or other device which has a similar low battery or alert signal. Some of the same factors that cause unwanted alarms can cause intermittent alarms: dust and insects in the alarm or power interruptions in hardwired alarms. Improper wiring on AC or AC/DC smoke alarms. AC alarms will chirp every 5 seconds if the interconnect wire is grounded. The orange interconnect wire should NEVER be grounded; it should only be used to interconnect other smoke alarms or compatible devices.
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: My smoke alarm keeps chirping, even with a new battery. What is causing this?
A: There are a number of possible causes for your smoke alarm to keep chirping even with a new battery.
- It is possible that your smoke alarm "silence" button was pushed by mistake. The alarm will now "chirp" once a minute for up to 15 minutes before resetting.
- Are you sure it's the smoke alarm? Funny to ask, but other devices have similar low battery chirps or warning tones.
- Your "new" batteries may not be fresh. If batteries are stored, especially in cold areas like refrigerators, they lose their charge more quickly. Always check the freshness date on the package when buying new batteries. Keep plenty of replacement batteries on hand so that you are sure to always be protected by your smoke alarms.
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.
If it's time to replace your alarms, consider the NEW 10-Year Life series and never have to worry about a battery replacement for the life of the alarm.10-Year alarms are available in smoke, carbon monoxide and combination alarms.
If it's time to replace your alarms, consider the NEW 10-Year Life series and never have to worry about a battery replacement for the life of the alarm.10-Year alarms are available in smoke, carbon monoxide and combination alarms.
Q: I'm ready to change my alarm battery - what replacement batteries can I use?
A: Check your User's Manual or the nameplate on the back of the alarm. Different smoke detectors & CO alarms use different kinds of batteries - 9V, AA, AAA - it all depends on the particular model you have. Use quality batteries like lithium batteries - having plenty of power is worth any extra cost. Never use rechargeable batteries because they may not always provide a consistent charge.
If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts. Volume Discount Pricing is a great way for customers to save big on large, bulk orders of most items available in our store. Please send a bulk order request to our friendly sales staff so they may create a quote and provide personal service for your order! You will receive a response within 1-2 business days and our office hours are Monday through Friday, 8am-5pm CST.
We make it as easy as possible to ensure you get the lowest prices available:
- Let us know what products & the quantities you are interested in.
- Get a detailed quote from a dedicated sales rep.
- Our warehouse ships directly to you.
- You enjoy the savings & are now a preferred customer.
Direct From Warehouse Pricing
Customers Also Bought
172
Customer Reviews
5
Average score based on 55 reviews
First Alert SA303CN3 Basic Battery Operated Smoke Alarm (1039796) Reviews
- Reviewed: 10/18/2022 by Kate and Bill M
First Alert Basic Battery Operated Smoke Alarm
set up easily. My last set lasted over 12 years. Great investment for your home
- Reviewed: 10/26/2021 by Pete B
Just what I ordered!
Products were properly pulled from the shelf and sent. Arrived in good shape and the 2 units replacements for existing were installed the next day and found to be working. I highly recommend this retailer.
- Reviewed: 08/16/2021 by Brent B
THE place to buy First Alert products
First Alert products are excellent, including this simple battery powered smoke detector. I used this one to ensure I had both PE and Ion detection in a bedroom. The First Alert Store has great prices, very quick shipping and superlative customer service.
- Reviewed: 07/28/2021 by Antonio T
Easy to Install
We recently purchased a house that came with a SA303 from 2009. Happy to say that the newer model SA303CN3 fits into the existing bracket. Put in a battery, close the lid, and twist in -- as easy as pie.
- Reviewed: 01/01/2021 by Ronald Walsh
Very Pleased
Easy to install, came with battery, received product in 3 days
- Reviewed: 12/14/2020 by Louis Soriano
SA303CN3
Have Throughout The House
- Reviewed: 11/16/2020 by Louis Soriano
Have Throughout The house
Changed over to these from some 20 year old First Alert models I had
- Reviewed: 10/30/2020 by Louis Soriano
Burnt something in the toaster last night works fine
- Reviewed: 08/21/2020 by Rhonda Smith
Best price around
This is exactly what we needed to add more protection around our house fast and easily. This is the best price I found online and around town.
- Reviewed: 12/18/2017 by Peter Ravel
Simple Process
What I appreciate and admire about First Alert is I was able to buy the same model I had and it fit perfectly on the base. I am so thankful to be able to swap out my old smoke alarm for my new smoke alarm in seconds!