ClimaTek Furnace Blower Motor Fits Emerson USMotors K55HXKPY-9740 K55HXLYR-0307. This is a new ClimaTek Furnace Blower Motor The Motor is 1/2 HP, 115 voltage, and 1075 RPM. 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!