This ECM condenser motor is a direct OEM replacement designed to maintain high static pressure efficiency while reducing operational noise levels compared to traditional PSC motors

it eliminates the mounting and shaft alignment issues common with generic HVAC blower motors

this PSC motor runs at a fixed 825 RPM to maintain critical airflow across the condenser coils without the noise or turbulence of higher-speed alternatives

reducing labor time during gas furnace burner replacement for technicians

Williams 8939 Conversion Kit 321894-709 This ECM condenser motor isEngineered for professional field conversion, the Williams 8939 kit allows for a seamless transition from natural gas to propane (LP) specifically for the Williams 14038 series. This direct vent furnace conversion kit is critical for maintaining the stoichiometric balance and manifold pressure requirements of the 14,000 BTU gravity direct vent furnace when switching fuel sources. As an OEM Williams furnace part, the 8939 ensures that the orifice