This kit serves as the direct 340155-7027 replacement

you eliminate the compatibility risks associated with universal aftermarket boards

It features a No

Industrial Voltage Rating: Built for 460V HVAC systems

Lochinvar & A.O. Smith 100189284 Control 319847-401 This kit serves as theThe Lochinvar & A. O. Smith 100189284 Control is a critical OEM replacement integrated control board engineered specifically for Fire Tube (FTXL) heating boilers, including the FTX850, FTX850L, and FTX850N models. As a veteran technician knows, the SMART SYSTEM control module is the "brain" of the hydronic system, managing flame ignition, burner modulation, and essential safety circuit checks. This board processes real time data from outlet