Lochinvar & A.O. Smith 100189284 Control 321894-709 Are the seals in this

Are the seals in this rebuild kit compatible with all fluids

Reversing rotation will significantly degrade airflow and may lead to compressor overheating

Optimized Combustion: Sustained 2900 RPM output maintains the negative pressure required for safe gas furnace venting

the polymer construction offers superior resistance to environmental stress cracking and chemicals

this board is designed to interface seamlessly with existing system components

Lochinvar & A.O. Smith 100189284 Control 321894-709 Are the seals in thisThe 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