Furnace Blower Motor Replaces Goodman Amana Janitrol BT1340031S BT1340031. This is a new Furnace Blower Motor. It is rated at 1/3 HP, 208-230 volts, and 1075/2 SP RPM. If the shaft is facing up (as in the photo), the rotation is clockwise. It replaces the part numbers listed below. An electric motor converts electrical energy into mechanical energy. In an HVAC system, motors typically turn the air conditioning fan blade and the furnace blower motor. Newer high efficient motors, such as X13 and ECM motors, have end caps that control the motor speeds. These can be removed and replaced separately. Replaces Old Part #s. Partial List of Units that Use This Item. Hit Ctrl + F and enter your model number for a quick search!