Fireboy Black Carbon Monoxide Alarm

Item Number: CMD5-MB-B

When one CMD5-MxI alarms, all connected CMD5-MxI alarms sound.

When dangerous CO levels are detected, the CMD5-MxI automatically shuts down the generator(s) when equipped with the optional RCM-5 Relay Control Module.


  • Electrochemical sensor
  • Rapid start-up – no “burn-off” period
  • More stable sensing
  • Reduced false alarms
  • Extremely low current draw (<4 mA)
  • Available in black or white versions
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