MC Enterprise 30136MC Hydroflame Furnace 12V Blower MotorThe furnace motor is attached to the blower wheel and the combustion air wheel. Once the control board sends power to the motor, it will start operating which will move the shaft attached to both wheels. The movement of both wheels will cause air flow.Additional InfoPower Source:12V DCMotor Body Dim:3″ Diameter x 3-3/8″ LongShaft #1 Dim:1-5/16″ Long x 5/16″ DiameterShaft #2 Dim:5/8″ Long x 5/16″ DiameterCompatible with Atwood Hydroflame Furnaces:8531-II and 8535-IIWARNING: This product may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov