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The BRK 9120B is a great choice when it comes to affordable smoke
alarms. Redesigned from the ground up, BRK created the 9120B model to
directly replace past models while providing greatly improved sensing
technology, improved installation method, and improved connectivety. All
around, the BRK 9120B is the perfect smoke alarm if you are looking for
affordability with function. The BRK 9120B uses new Smart
Sensing Technology to reduce in nuissance alarms more efficiently and
more accurately than ever before. The BRK 9120B is designed for sleeping
rooms in your home, hospitals, hotels, motels, college dormatories and
multi-family housing units. Complies with NFPA101, UL217, CSFM, NFPA72,
HUD, FHA, and other agencies. Where AC/DC silent smoke alarms are
required, this model will work perfectly. The 9120B model has the
ability to be interconnected within a circuit of alarms and other alert
devices such as bells, whistles, repeaters, fans, or switches. (You can
connect up to 17 devices, of which 11 can be smoke alarms, and 6 can be
alternate devices. Also integrated is a 9V battery backup to make
sure your smoke alarms do not loose operation when your power fails,
providing
addtional security.
SPECS:
| Model # | 9120B | | Weight | 7.8 oz | | Dimension | 5.6" dia x 2.0"H | | Operating Voltage | 120V AC 60Hz w/ 9V battery backup (9120B only) | | 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 (9120B only)
- 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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Replacing outdated unit. 
