Overview Product Description TYPICAL APPLICATIONS Condensers Small appliances Furnaces Draft booster Flue exhaust Diameter: 4-3/4" Width: 1-3/4" Rotation: CCW Viewed from the back Bore Size: 5/16" Max RPM: 3600 Number of Inlets: 1 Plastic Wheel with D-hub in York International combustion blowers (wheel for A137, A136, A142, A165, A168, A224, A227, A307, A225, A158, A280, Sometime A230's)NOTE: A NEW RETAINER SPRING CLIP IS INCLUDED! NOTE: PUSH ON WITH A 11/32 SOCKET TO PUSH ON HUB DIRECTLY TO AVOID BREAKAGE OR CALL FOR ASSISTANCE... Product Videos Custom Field Product Reviews