Preferred™ Series Carbon Monoxide Alarm Model COALM

The Bryant Carbon Monoxide Alarm uses sophisticated electronics and unmatched sensor technology to detect the CO levels in your home.

Model: COALM

  • Power Source: 120 VAC
  • Audio Alarm: 85dB at 10 feet
  • Temperature Range: 40° F (4.4° C) to 100° F (37.8° C)


  • Monitors CO levels in home
  • Loud audible alarm
  • Peak level button displays the highest CO level recorded since alarm was last reset
  • Protection provided during a power outage by a rechargeable lithium ion battery
  • Plugs into any standard electrical outlet
  • 7-year limited warranty



Warranty 7-year limited
Response Times At 70 ppm, unit must alarm within 60-240 minutes; At 150 ppm, unit must alarm within 10-50 minutes; At 400 ppm, unit must alarm within 4-15 minutes



Power Source 120 VAC
Audio Alarm 85dB at 10 feet
LED Displays CO concentration in PPM
Temperature Range 40° F (4.4° C) to 100° F (37.8° C)



Size  6.0625 x 3.75 x 1.75″


Bryant reserves the right to discontinue or change any specification or design without prior notice or obligation.


1To the original owner, when product is used in an owner-occupied residence, a 5-year parts limited warranty. See warranty certificate for complete details.


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