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First Alert 3120B Hardwired Photoelectric and Ionization Combo Smoke Alarm with battery Backup
First Alert 3120B Hardwired Photoelectric and Ionization Combo Smoke Alarm with battery Backup


 


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Description
 
The BRK First Alert 3120B is a dual sensing detection unit that utilizes both photoelectric and ionization sensors to detect a multitude of smoke types. The BRK First Alert 3120B photoelectric sensor is designed to identify larger smoke particles usually associated with smoldering flames, while the ionization sensor will detect fast flaming fires. The BRK First Alert 3120B will provide detection quickly and will serve as you first line of defense.  This state-of-the-art device has several indicators based on its recent activity; a alarm latch which exposes to identify that it is the imitating alarm (if interconnected to other devices), as well as a battery latch which will be exposed when a new battery is needed. The backup batteries (2 x AA) inside the BRK 3120B will provide additional power if needed during power loss.
The First Alert BRK 3120B meets all requires of UL217, CSFM, NFPA 72, HUD, FHA and other agencies requiring an AC/DC Hardwired photoelectric and ionization combination smoke alarm. In addition, the First Alert BRK 3120B incorporates BRK’s patented OptiPath technology designed to maximize effectiveness when mounted against a wall, or on a ceiling. The OptiPath technology allows for 360 degrees of detection.

SPECS:
Utilizes both ionization and photoelectric smoke sensors for maximum protection
Two Latching Features - Alarm Latch and Low Battery Latch
Two Silence Features - Alarm Silence and Low Battery Silence
Two AA Battery Backup
Optipath 360 Technology
10-Years Limited Warranty
Model # 3120B
Weight 9.5 oz
Dimension 5.0" dia x 2.0"H
Operating Voltage 120V AC 60Hz w/ two 1.5V AA battery backup
Operating Current 0.07 amps (standby/alarm)
Temperature Range 40°F (4°C) to 100°F (38°C)
Humidity Range 10% to 90% relative humidity (RH)
Audio Alarm 85dB at 10 feet
Test/Silence Electronically simulates smoke condition, causing the unit to alarm Press and hold test/silence button
Alarm Reset Automatic when smoke clears
Interconnections Up to 18 units of First Alert or BRK Smoke, CO and Heat Alarms. Maximum of 12 smoke alarms. See user's manual for details.
Smoke Sensor Photoelectric and Ionization
Indicator Lights/Sounds
AC Power: Constant Green LED
DC Power: Intermittent Green LED
Local Alarm: Red LED flashes rapidly
Remote Alarm: Red LED out.
Alarm Latch: LED flashes red 2 sec on, 2 sec off after local alarm stops
Low Battery Latch: LED flashes green 2 sec on, 2 sec off

Average Rating: 5 of 5 Total Reviews: 171 Write a review »

  0 of 0 people found the following review helpful:
 
Fantastic product February 2, 2018
Reviewer: TH Media LLC from Southwest, MI United States  
Great alarm and a Consumer Reports top pick.  If I am not installing Nest alarms then these are my go to devices.

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  0 of 0 people found the following review helpful:
 
January 23, 2018
Reviewer: Jeremy Ma from San Ramon, CA United States  


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  0 of 0 people found the following review helpful:
 
Great products and great prices January 22, 2018
Reviewer: Richard from , OH United States  
After I googled best over-all smoke detectors. I searched for days and finally found the same one here for $5 less than any other website. Thanks. Oh and fast shipping.

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  0 of 0 people found the following review helpful:
 
Just what I wanted, and timely January 14, 2018
Reviewer: Lou Fontana from Durango, CO United States  
I had no idea that smoke detectors have a limited life. When my son suggested changing out my nearly  20 yr old units, I was afraid it would be too complicated for a 71 yr old.  The kits came with clear instructions and everything needed.. I was able to complete the changeover of 4 interconnected detectors in under an hour. Thanks.

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  0 of 0 people found the following review helpful:
 
Upgrade your old Smoke Alarms December 29, 2017
Reviewer: David-MoCo MD from Rockville, MD United States  
Until I received a notice from the county I live in I had no idea smoke alarms should be replaced every 10 years. Mine still worked when tested but who knows if a fire started. Also, technology is better now and all things considered this is not a large expense especially when spread over 10 years.  The alarms I received from smoke alert had been manufactured only a couple months ago. Not to mention they had the best price I could find.

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