Lochinvar & A.O. Smith 100112662 High Limit Switch

The Lochinvar & A.O. Smith 100112662 High Limit Switch is a safety component used on different types of HVAC equipment to prevent them from overheating. It works through the temperature control within the system under consideration. If the temperature goes high above a certain set level of safety, the switch then opens up the circuit breaking it and thereby stopping the equipment. Such actions protect the possibility of damaging the system to guarantee safe operation. This high-limit switch is mainly applied to commercial and industrial heating appliances including boilers, furnaces, water heaters, etc.