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If the switch remains open (infinite resistance) despite verified suction from the motor
Key Benefits OEM Compatibility: Specifically engineered for a precise fit in Utica and Dunkirk boiler models
Compact Footprint: Ideal for tight mechanical rooms or space-constrained mounting near the air compressor
The stainless-steel wetted parts are compatible with a wide range of gases and liquids typical in HVACR and industrial process cooling systems
Engineered specifically for Knight series models including WH399
Lochinvar & A.O. Smith 100166246 Pressure Switch Kit 323269-701 If the switch remains openThe Lochinvar & A. O. Smith 100166246 Pressure Switch Kit is a critical safety component designed for precise combustion air monitoring in high efficiency boilers and water heaters. As a veteran grade OEM replacement part, this kit ensures the integrated VFD blower or inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. It acts as a blower prover switch, effectively preventing the gas valve from
