Lochinvar & A.O. Smith 100188878 Fan Assembly 322056-301 Once the unit cools to

Once the unit cools to 130°F (Closed)

This snap-action HVAC furnace limit switch features a compact footprint and standard mounting orientation

This HVAC blower wheel replacement measures 11 inches in diameter with a 10-inch width and utilizes a 1/2-inch bore diameter with a secure set-screw attachment

this draft inducer motor facilitates seamless integration with existing housing volutes and electrical harnesses

it is electrically and physically compatible with the older LH35XZ001 model

Lochinvar & A.O. Smith 100188878 Fan Assembly 322056-301 Once the unit cools toThe 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.