First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL

  • First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL
  • First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL
  • First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL
Combo Wired In Smoke & CO Battery Detector
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Hardwired Combo Smoke & Carbon Monoxide Alarm w/ Battery Backup

The First Alert SC9120LBL Hardwired Combination Smoke/CO Alarm connects directly to your home electrical system. In the event of a power outage, the smoke/CO alarm is equipped with a 10 year lithium battery-backup. Integrating a Smart Technology system will reduce the likelihood of nuisance alarms triggering. A Latching Alarm Indication will remember which unit initiated an alarm. The perfect mount system features a gasketless base and a mounting bracket that keeps the alarm secure over a wide rotation range to allow for true alignment. Under normal conditions, you should not have to replace the battery for the life of the alarm.

Detects Smoke and Carbon Monoxide

Designed to meet the latest construction requirements, the First Alert Combination Smoke and Carbon Monoxide Alarm detects two threats: smoke and carbon monoxide. Lights on the face of the alarm will tell you what the threat is, and false alarms can be silenced with a single button.

Intelligent Sensing Technology Minimizes False Alarms

People sometimes disable a fire detector when it goes off due to cooking smoke or steam, even though in doing so they endanger themselves and their loved ones. Intelligent Sensing Technology is designed to distinguish between real fires and nuisances. This reduces the likelihood of false alarms significantly.

10-Year Lithium Battery Backup

The First Alert SC9120LBL Hardwired Combo Smoke and CO Alarm features a built-in 10-year lithium battery backup that provides continuous power for the life of the detector. An end-of-life timer lets you know when the device should be replaced.

Connect to Other Alarms for Greater Coverage

This hardwired combination smoke and carbon monoxide detector can be connected to other compatible BRK or First Alert CO smoke detectors within a single-family residence. Once one alarm is triggered, all connected CO smoke alarms will sound. The latching alarm indicator on the CO smoke alarm automatically identifies which unit initiated the alarm–even after the conditions that set off the alarm have subsided.

Easy to Install and Maintain

The First Alert Combination Smoke and Carbon Monoxide Alarm integrates with existing wiring and features a universal mounting bracket that makes installing the unit quick and easy. Connection to AC power is simple with a Quick Connect wiring harness.

First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm SC9120LBL

Hardwired Combo Smoke & Carbon Monoxide Alarm w/ Battery Backup Features:

  • 10 Year Lithium Battery Backup
  • Locked Battery Drawer
  • Ionization Smoke Sensor - optimal for detecting fast flaming fires
  • Electrochemical Carbon Monoxide Sensor - the most accurate sensor available compared to other sensing technologies
  • Latching alarm indicator remembers which unit initiated an alarm
  • Intelligent Sensing Technology helps reduce the number of nuisance alarms
  • Perfect Mount allows for easy alignment of alarm
  • Single button test/silence
  • Easy installation/maintenance features include a large opening in the mounting bracket for easy access to wiring.
  • Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation.
  • A battery pull tab keeps the battery fresh until the home is occupied.
  • Two locking features are provided to prevent battery theft and/or theft of the unit.
  • Connection to AC power is made with a "Quick-Connect" wiring harness.
  • Installation is quick, easy and cost effective.
  • Dust Cover
  • Product Dimensions (LxWxH): 5.69 x 2.25 x 5.59 in.
  • 10-Years Limited Warranty
Product Specs
UPC:
029054015372
MPN:
SC9120LBL
Write A Customer Review Review

5

Average score based on 17 reviews

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Asst Facilities Supervisor

Reviewed: 05/14/2019 by Jeremy Bostwick

Easy to order, quick delivery, easy to switch out prior hardwired/battery back-up detectors to new hardwired/10yr battery backup detectors. Very happy with this product.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Perfect Upgrade!

Reviewed: 05/09/2019 by BARRON M FREEBURGER

These are easy to install to replace the 9-volt units that are not to code any longer.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Reviewed: 04/01/2019 by Andrew Masone

Easy Install, no maintenance, what's not to love!

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5CO/Smoke Detector

Reviewed: 11/22/2018 by Jack Nanigian

It easily replaced the First Alert smoke detector previously installed.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Easy installation

Reviewed: 08/10/2018 by Bruce Dube

Easy to install

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Installation of alarms

Reviewed: 02/26/2018 by Karen Baldwin

They are easy to install and switching the mounting brackets is very easy as long as you have an adequate ladder. The ladder part is the catch for most folks As soon as the house caches fire or we start grilling inside I will be certain to let you know how your alarms functioned

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Reviewed: 02/09/2018 by Kevin Kinney

Perfect for apartments. Interconnected hardware and no batteries to change. Its been my experience tenants just rip them down when they start beeping.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Great product

Reviewed: 01/27/2018 by Matthew Scott

The supplied wiring pigtail made swapping my old Firex detectors out for these a very simple task. I replaced two detectors in my home with these and am satisfied with their performance thus far. If your legislation requires the sealed, 10-year battery, then this will suit your needs perfectly.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Reviewed: 09/13/2017 by Dave Rogers

All good just plug and play

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Combo Alarm

Reviewed: 08/08/2017 by Robert Burgert

Combo Smoke and Carbon Monoxide Alarm easy to install if you have any experience with electrical installation. Instructions helpful. Product is worth the extra money over the regular battery model. Now I don't have to worry about changing a battery or unit for 10 years.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Owner

Reviewed: 03/29/2017 by W W White

Great help, when additional is needed I will call on your company.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5sc9120lbl

Reviewed: 01/26/2017 by James Moriarty

Easy and quick installation, product arrived as promised in a timely manner!

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5SC9120BL

Reviewed: 01/21/2017 by James Moriarty

Most impressed with the knowledgeable and helpful customer rep at the first alert store.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Exceptional

Reviewed: 01/03/2017 by Andrew Brown

Outstanding service and online status updates. When I needed to change order quantity following order submission I emailed and received a prompt reply and confirmation on change order. Order on time and everything in working order. I would highly recommend.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Owner

Reviewed: 12/08/2016 by Vincent Rossini

Excellent

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