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

This 460V draft inducer motor is designed to facilitate a reliable startup by establishing a consistent negative pressure within the heat exchanger to safely expel combustion byproduct gases through the flue system

Is this switch compatible with other Utica or Dunkirk series

preventing HVAC zone valve bypass and seat leakage

Is this cover compatible with the S7800A1140

Lochinvar & A.O. Smith 100311038 Control Board R-22 Always verify the temperature ratingThe 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