Tools & Hardware : BRK Brands 9120B Hardwire Smoke Alarm with Battery Backup

Binding: Tools & Hardware
Brand: BRK Brands
EAN: 0029054513014
Label: BRK Brands
Manufacturer: BRK Brands
Model: 9120B
Publisher: BRK Brands
Release Date: May 02, 2007
Studio: BRK Brands
Sales Rank: 554
MPN: 9120B

Features:

120-volt hardwire ionization smoke alarm
Uses Smart Technology to reduce nuisance alarms
Features convenient silence/test button, dust cover, 85-decibel alarm
Latching alarm indicator identifies which unit triggered alarm
9-volt battery included; 10-year limited warranty

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Editorial Review:

Amazon.com Product Description:
Introducing the revolutionary BRK 9120 series smoke alarms which have been redesigned from the ground up. They install faster, perform better, and are even smarter than before. All of these improvements help reduce nuisance alarms and save you time and money. BRK Electronics smoke alarms are designed to be easy to install, easy to maintain, and quality-engineered for years of virtually maintenance-free service.

The 9120B AC-powered smoke alarm with battery backup includes these features:

Ionization sensor which helps detect fast flaming fires that consume combustible materials rapidly.
120-volt AC inter-connectable (with maximum 18 compatible devices). The alarm can be interconnected with up to 12 other compatible smoke alarms and six compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Power indicators show which unit in the series initiated the alarm.
Latching alarm indicator which automatically identifies which unit initiated the alarm.
Smart technology to reduce nuisance alarms.
9-volt battery backup for peace of mind during power malfunction.
Single test/silence button which both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality.
Perfect mount system including a gasketless base for easy installation and new mounting bracket that keeps the alarm secure over a wide rotation range to allow for perfect alignment.
Mounting bracket lock for tamper resistance.
Dust cover to keep unit clean during construction.
10-year limited warranty.

All BRK Electronics smoke alarms meet UL 217 standard and are listed with the California State Fire Marshal. They use the new UL mandated repeating 85-decibel alarm horn pattern. 10-year limited warranty. This unit is approved for sale in Oregon after new revisions on law HB2586.--Bree Norlander

What's in the Box
One smoke alarm, one 9-volt battery, and user's manual

Customer Reviews

Average Rating: out of 5 stars

Rating:

- Warning!
Please read the reviews, this product is horrible!! Chirping at 3:30 AM for NO REASON is the norm. I've had 3 of these, new backup batteries and all, and they all fail. Go elsewhere, I am.

Rating:

- Great replacement!
I purchased this to replace a broken smoke detector. This matched up perfectly with the others in service in our home and we have had no false alarms since installing.

Rating:

- Shame on you BRK!!
Bought my house in 2002 and have 8 4120B's that have caused more sleepless nights than watching the Dow Jones. I have done everything suggested to keep these things from going off in the middle of the night, which is when they like to fail, with no success. After removing all of them several months ago, leaving my family exposed (shame on me), I decided to give them one more try. Yesterday, I reinstalled all 8 units with brand new batteries and....you guessed it...didn't even make it through one ... Read More

Rating:

- The Day the Firemen Came - Twice
My husband was in Boston, I'm home with the children. All smoke detectors started going off. Spend 30 minutes looking for nonexistant fire. Can't get the $*%&^^$ things to stop. After 40 minutes of trying to stop the stupid things, I call the fire department - they come and find defective smoke detector in basement. Firemen leave. Twenty minutes later, smoke detectors go off again. Again, can't get the $*%&*#$ things to stop. Again call the fire department - now the one in the upstairs hall ... Read More

Rating:

- Found a fix for chirping problems
Most reviewers report random chirping. In my case, I replaced the battery and couldn't get it to stop chirping every minute, until I found this advice elsewhere on the web:

1. Unplug detector from power (or flip circuit breaker)
2. Remove battery
3. Hold down Test button for 20 seconds
4. Replace battery
5. Turn power/breaker back on

This stopped mine from chirping every minute. Give it a try on yours.

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