Lochinvar & A.O. Smith 100167770 Control Board 319847-401 Durable Material Composition: High-temperature resistant

Durable Material Composition: High-temperature resistant material prevents gasket blowout and ensures a reliable seal under variable pressure cycles

Running on a standard 24-volt actuation

the fan motor failing to start without manual assistance

technicians rely on this sensor to resolve common HVAC ignition lockout issues caused by carbon buildup or high-temperature oxidation on the sensing rod

As a dual-rated switch

Lochinvar & A.O. Smith 100167770 Control Board 319847-401 Durable Material Composition: High-temperature resistantThe Lochinvar & A. O. Smith 100167770 Control Board is a critical integrated control board engineered for high efficiency commercial gas water heaters and condensing boilers. As an OEM replacement control module, it manages the complex sequence of operations for Lochinvar Knight and A. O. Smith Cyclone series units. This HVAC control board interfaces directly with the blower motor, gas valve, and spark igniter to ensure precise combustion and thermal