NBK Products 20576 Furnace Draft Inducer Blower Motor Assembly for Fasco A330. NBK Products Number 20576. Furnace Draft Inducer Blower Motor Assembly. 0.38/0.48 Amps. 3.3 Diameter Motor. Capacitor Included and is mounted on side of motor. PSC Capacitor Start Motor. CW Rotation as viewing shaft end. Wheel Dimensions: 4-3/4 inch x 1-1/4 inch. 2 prong Molex plug attached. Check out my other items.