b 62 Series Carbon Monoxide Alarm w Relay - 12V - 62-541-Marine-RLY-NC - Surface Mount - White b br br Mini Carbon Monoxide Alarm with a compact space saving design that replaces your CO alarms that are over 5 years old The 62-541-Marine-PLY-NC includes a normally closed relay Used to turn on exhaust fans remotes horns lights signals or connect to alarm systems
