Lochinvar & A.O. Smith 100113143 Blocked Inlet Switch

The Lochinvar & A.O. Smith 100113143 Blocked Inlet Switch is safety product mainly used in water heaters and HVAC systems. It controls air circulation to notice if there are restrictions in the source of air intake to promote good airflow. When there is a blockage, the switch gives a signal to the system to turn off to avoid things like overheating or even accumulation of carbon monoxide. This switch is used in most gas fired water heaters and furnaces. Its major advantage is to improve safety by guaranteeing the best flow of fresh air as well as eliminating hazardous situations resulting from the limited supply of fresh air.