Lochinvar & A.O. Smith 100311038 Control Board 321142-301 This guard is primarily designed

This guard is primarily designed for the Reznor F-75 and FE-75 unit heaters

It is recommended to source new gaskets and high-temperature RTV separately to ensure a gas-tight seal during reassembly

The 142-0430 serves as the direct replacement for AKS-6261

preventing soot accumulation and protecting the heat exchanger’s integrity

Lochinvar & A.O. Smith 100311038 Control Board 321142-301 This guard is primarily designedThe 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