it is the correct match

Always verify the temperature rating and mounting style before installation in non-Nordyne units

typically requiring less than 1 psi to initiate flow

Durable Construction: Designed to withstand the continuous pressure fluctuations inherent in industrial HVAC control systems

Lochinvar & A.O. Smith 100311038 Control Board R-22 it is the correct matchThe Lochinvar & A. O. Smith 100311038 Control Board is a critical OEM replacement part designed for high efficiency commercial boilers and water heaters. As a veteran grade communication control board, this unit serves as the central nervous system for Series FB equipment, facilitating high speed data transmission between burners, sensors, and the user interface. This specific module is the direct replacement for 100276779, ensuring a drop in fit for