Safe-T-Alert 62 Series Carbon Monoxide Alarm w/Relay - 12V - 62-541-R-Marine - Surface Mount - Black 62-541-R-MARINE-BL. The 62-541-Marine-PLY-NC includes a normally closed relay. Used to turn on exhaust fans remotes horns lights signals or connect...
Safe-T-Alert 62 Series Carbon Monoxide Alarm w/Relay - 12V - 62-541-R-Marine - Surface Mount - Black 62-541-R-MARINE-BL. The 62-541-Marine-PLY-NC includes a normally closed relay. Used to turn on exhaust fans remotes horns lights signals or connect...