NBK Furnace Draft Inducer Motor number 21109. CW Rotation as viewing shaft end. PSC Motor, Capacitor Included. Wheel size 4-3/4 inch x 1-3/4 inch. Rubber Boot, Gasket and Clamps Included. Hi Limit Switch mounted to housing. 2 wire hookup, molex plug on end of wires. Furnace Draft Inducer Motor. Check out my other items.