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Product Details

The Fireboy CMD5MD carbon monoxide detector provides peace of mind for owners of boats with enclosed cabins. This 12/24 volt DC CO alarm features an improved electro-mechanical sensor for real-time, dependable detection while reducing false alarms.

Design lets you link up to six CMD5-MD detectors in series, so that when an alarm sounds on one detector, all connected detector alarms alert inhabitants in other locations on the boat that dangerous levels of carbon monoxide are present. Connect to the Fireboy RCM-5 relay (sold separately) for automatic generator shutdown capability. Detector measures 3-1/2 inches x 3-1/2 inches x 1.1 inch.

Complete package includes CMD5-MD Marine CO Detector, wall mount bracket, and owner's manual.

Installation requires two #6 fasteners (sold separately).

Info & Guides

Technical Information

CMD5-MD CO Alarm Features

  • Accurate electrochemical sensor constantly monitors CO levels and reduces false alarms.
  • Extremely loud 85 decibel alarm.
  • Extremely low current draw of 4 mA conserves power.
  • Long, 7-year sensor life for years of reliable monitoring.
  • Easy to install, with mounting bracket included.
  • Sleek design and compact size blends in nicely with any boat interior.
  • Operates on 12 or 24 VDC, with no voltage reducer required.
  • Very resistant to most solvents, chemicals, and cleaners.
  • Dimensions: 3-1/2'' x 3-1/2'' x 1.1''
  • Approvals: Tested by ETL to marine UL 2034 standard.
  • Made in the USA.