BRK Electronics First Alert 9120B-48P 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm

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BRK Electronics First Alert 9120B-48P 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm - Box 48-Pack (Upgraded to SMI100-AC)

This BRK 9120B is a recommended replacement for the following old BRK / FirstAlert models:

BRK 4120B
BRK 4120SB

FirstAlert SA4120B
FirstAlert SA4121B
FirstAlert SA4919B

Our Price: $810.24

Model: BRK-9120B-48P

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Technical Spec

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Technical Spec

The 9120 Series smoke alarms have been designed to install faster, perform better and be even smarter than before. These improvements help reduce nuisance alarms and save you time and money.

Single button test/silence
9V Battery Backup
Latching alarm indicator - remembers which unit initiated an alarm
Smart Technology - helps reduce the number of nuisance alarms
Perfect Mount - allows for easy alignment of alarm
Dust Cover
Easy Installation/Maintenance - Preferred 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. Battery installation and removal can occur while the unit is mounted to the ceiling or wall via the side load battery compartment. 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.
10-Years Limited Warranty

Model #	9120B-48P
Weight	7.8 oz
Dimension	5.6" dia x 2.0"H
Operating Voltage	120V AC 60Hz w/ 9V battery backup
Operating Current	.04 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	Dual chamber ionization
Indicator Lights/Sounds	AC Power: Constant Green LED DC Power: Intermittent Red LED Local Alarm: Red LED flashes rapidly Remote Alarm: Red LED out. Latching Alarm: Green LED flashes 2 sec. on/2 sec. off after local alarm
Listing	Listed to UL217 Standard

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