Broad Operation Range: Rated for a wide temperature envelope

this electronically commutated motor provides the precision torque and RPM required for high-static pressure environments

one set of terminals is wired in series with the burner's safety circuit to interrupt power during a low water event

meaning it requires a minimum pressure differential of 5 PSI to open and function correctly

Contaminant Capture: Removes scale

Williams P332490 Switch 322055-301 Broad Operation Range: Rated forThe Williams P332490 Switch is a critical OEM replacement fan switch specifically engineered for Williams direct vent furnaces. This automatic blower switch is designed to integrate seamlessly with the 2302 blower assembly, providing precise control over the heating cycle by managing the blower activation based on internal plenum temperatures. Constructed for professional grade durability, the P332490 functions as a reliable furnace limit control,