Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 Precision Ignition: Features a fixed

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

High Flow Capacity: The 3

and C341826P22 across various furnace models

With a 24VAC coil and robust 25A resistive rating at 120/240V

which may leave the heater energized even when the thermostat is turned down

Lochinvar & A.O. Smith 100166146 Pressure Switch 30067439-890 Precision Ignition: Features a fixedThe 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