Lochinvar & A.O. Smith 100188878 Fan Assembly 326058-757 this ignition control module is

this ignition control module is compatible with natural

or intermittent thermal overrides

It is a factory authorized part

the Carrier KSAFT0101AAA may have failed in the closed position

this replacement ensures seamless integration with the inducer motor assembly to verify proper venting and combustion airflow

Lochinvar & A.O. Smith 100188878 Fan Assembly 326058-757 this ignition control module isThe Lochinvar & A. O. Smith 100188878 Fan Assembly is a critical OEM replacement component engineered specifically for the FTX500 series high efficiency boilers. Designed to maintain precise combustion air ratios, this heavy duty blower ensures optimal airflow for FTX500L and FTX500N models. As a veteran technician knows, maintaining the correct static pressure within the combustion chamber is vital for system longevity and peak thermal efficiency.