Pay in 4 interest-free payments of $82.35 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
designed to verify proper inducer motor operation and adequate venting before ignition
the polymer construction offers superior resistance to environmental stress cracking and chemicals
Optimized Combustion: Sustained 2900 RPM output maintains the negative pressure required for safe gas furnace venting
using a genuine Bard replacement means zero-modification installs and a return to factory-spec oil return and cooling performance
Lochinvar & A.O. Smith 100189284 Control 321894-709 designed to verify proper inducerThe 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