Lochinvar & A.O. Smith 100110810 Switch 319848-301 maintaining thermal accuracy is non-negotiable

maintaining thermal accuracy is non-negotiable for system longevity and prevents short-cycling

As a veteran-grade pilot burner assembly with thermopile

designed to handle the high operating pressures of modern refrigerants while maintaining a leak-free seal

Durable Construction: Features a bi-metal composition designed to withstand the high-pressure demands of modern HVAC cycles

Lochinvar & A.O. Smith 100110810 Switch 319848-301 maintaining thermal accuracy is non-negotiableThe Lochinvar & A. O. Smith 100110810 Blocked Inlet Switch is a critical safety component designed for high efficiency gas water heaters and commercial boilers. As an OEM air pressure switch, this part is engineered to monitor differential pressure within the intake system. If the sensor detects an obstruction in the air supplycaused by debris, ice, or improper ventingit immediately breaks the electrical circuit to the control board, initiating a