Safe-T-Alert 62 Series Carbon Monoxide Alarm w/Relay - 12V - 62-542-Marine-RLY-NC - Flush Mount - White 62-542-MARINE-RLY-NC. The 62-541-Marine-PLY-NC includes a normally closed relay. Used to turn on exhaust fans remotes horns lights signals or...
Safe-T-Alert 62 Series Carbon Monoxide Alarm w/Relay - 12V - 62-542-Marine-RLY-NC - Flush Mount - White 62-542-MARINE-RLY-NC. The 62-541-Marine-PLY-NC includes a normally closed relay. Used to turn on exhaust fans remotes horns lights signals or...