Lochinvar & A.O. Smith 100166146 Pressure Switch THPU32HP7Y or fan pitch issues—before the

or fan pitch issues—before the unit can be returned to service

protecting sensitive pneumatic tools and valves from contamination

This control is a drop-in DSI board replacement for systems requiring a 120VAC operating signal

this fail-safe actuator ensures reliable containment in high-temperature environments

Lochinvar & A.O. Smith 100166146 Pressure Switch THPU32HP7Y or fan pitch issues—before theThe Lochinvar 100166146 Pressure Switch is a critical safety component designed for precise pressure monitoring within high efficiency commercial boilers and water heaters. Engineered as a direct replacement for the PRS2045, this manual reset pressure switch ensures the burners only fire when the venting system maintains safe atmospheric conditions. This OEM Lochinvar part is built to handle the rigorous duty cycles of A. O. Smith and Lochinvar Knight