The Story
The BRK CO5120BN is a hard-wired carbon monoxide combo alarm with battery backup. It features a CO sensor, Intelligent Sensing Technology⢠for fewer unwanted alarms, an 85dB horn, 9V battery backup, side-load battery drawer, two silence features and is interconnectable with up to 18 devices.
Features
- 85dB horn alarmĀ
- T4 alarm sound pattern
- Latching alarm indicator remembers which unit initiated an alarmĀ
- Intelligent Sensing Technology reduces nuisance alarms
- Smart Interconnect is compatible with both BRK smoke and CO alarmsĀ
- Two silence features can silence the low battery chirp up to 8 hours or temporarily silence an unwanted alarmĀ
- Quick, easy (hardwired) installationĀ
- Available with or without a strobe light
Specs
- Seven year limited warranty
- Weight: 2lbs
Documentation
Ā BRK CO5120BN Hard-Wired Carbon Monoxide Alarm User Manual

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The BRK CO5120BN is a hard-wired carbon monoxide combo alarm with battery backup. It features a CO sensor, Intelligent Sensing Technology⢠for fewer unwanted alarms, an 85dB horn, 9V battery backup, side-load battery drawer, two silence features and is interconnectable with up to 18 devices.
Features
- 85dB horn alarmĀ
- T4 alarm sound pattern
- Latching alarm indicator remembers which unit initiated an alarmĀ
- Intelligent Sensing Technology reduces nuisance alarms
- Smart Interconnect is compatible with both BRK smoke and CO alarmsĀ
- Two silence features can silence the low battery chirp up to 8 hours or temporarily silence an unwanted alarmĀ
- Quick, easy (hardwired) installationĀ
- Available with or without a strobe light
Specs
- Seven year limited warranty
- Weight: 2lbs
Documentation
Ā BRK CO5120BN Hard-Wired Carbon Monoxide Alarm User Manual
















