Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 maintaining identical mechanical and electrical

maintaining identical mechanical and electrical footprints

ensuring exact fitment and electrical compatibility without the need for field modifications

A faulty switch may fail to close at 120

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

Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 maintaining identical mechanical and electricalThe 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