Draft Inducer Blower Motor Part Number SM4753. 115 Volts 1.8 Amps 3000 RPM Shaded Pole "C" Frame Motor CCW Rotation Lead End (short shaft end) Shaft Dimensions: 1" x 5/16"(diameter) x 1-7/8", Flat spot on both shaft ends. Included is 2 wiring harnesses, one harness has a plug w/ 2 male bullet type connectors, the other harness has 2 female clip type connector on the plug end. Replacement Numbers: HC21ZE117 HC221ZE115 HC15ZN012 HC660005