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Lennox 41W50 Blower Motor 322838-753 the 35K73 ensures the pressureThe Lennox 41W50 Blower Motor is a heavy duty, 3 speed PSC replacement motor designed for critical airflow applications in residential and light commercial HVAC systems. This 1 4 HP blower motor operates at 240V (single phase) with a rated speed of 825 RPM, delivering the high torque performance necessary for consistent static pressure management. Featuring a 48Y frame and a 1 2" x 4" single side flat shaft, the 41W50 is a direct OEM replacement part