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12 VDC operation. Features a state-of-the-art sensor. Designed to standup to harsh marine environment.


Use the CMD-4MR carbon monoxide detector for single sites when generator shutdown is NOT desired. 12 VDC operation. Features a state-of-the-art sensor that is unaffected by common cleaning solvents. Lowest current draw of any Fireboy-Xintex CO Detector. UL 2034 Listed for Marine use. Coated circuit board designed to stand up to harsh marine environment.

  • Easy to install – comes with complete installation instructions included.
  • Low Current Draw: 16mA average
  • Alarm points: Time Weighted Average Alarm at 10% COHb
  • Alarm dB: 85 dB at 10 ft.
  • Dimensions: 3.5 L x 2.4 W x 1.3 D
  • One (1) year limited warranty

Additional information

Weight3 lbs
Dimensions6 x 8 x 6 in
MFG Part#


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