Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 mitigating common failure points in

mitigating common failure points in commercial HVACR refrigeration cycles

Precision Ignition: Features a fixed 1/8" gap for reliable spark-to-pilot ignition even in high-demand cycles

and C341826P22 across various furnace models

The rugged aluminum die-cast housing and corrosion-resistant internal components provide reliable service in ambient temperatures ranging from -40°F to 205°F

High Flow Capacity: The 3

Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 mitigating common failure points inThe 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