First Alert

120V Ac Smoke/Carbon Monoxide Alarm

Part #BSC9120B  |  Manufacturer Part #SC9120B


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Product Details

  • Electrochemical carbon monoxide sensor
  • Single button test/silence
  • Latching alarm indicator - remembers which unit initiated an alarm
  • Two silence features: low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
  • End of life signal provides audible notification when alarm needs to be replaced
  • Intelligent Sensing Technology™ helps reduce the number of nuisance alarms
  • Seven year limited warranty
  • Seven year limited warranty


ADA Compliant: No

Application: Commercial, Multi-Family, Residential

Battery Size: 9V

Diameter: 5-29/50 in

Height: 5-59/100 in

Power Source: Electric

Type: Combination Smoke and Monoxide Detector

UL Listed: Yes

Volts: 120V

Width: 2-1/4 in

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This Item: First Alert 120V Ac Smoke/Carbon Monoxide Alarm