Lochinvar & A.O. Smith 100167770 Control Board 319847-401 This mercury-free mechanical thermostat utilizes

This mercury-free mechanical thermostat utilizes rugged snap-action contacts to provide reliable switching for gas

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

offering seamless fit and function

The OVE-30-VX100 features 1 1/8" x 1 3/8" ODF extended solder connections

Direct Compatibility: Engineered specifically for the Parker 121 series and 122 series valves for seamless field replacement

Lochinvar & A.O. Smith 100167770 Control Board 319847-401 This mercury-free mechanical thermostat utilizesThe 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