OEM Zhongshan Broad-Ocean Furnace Blower Motor 1/2 HP X13 ZWK702B53810001. This is a BRAND NEW OEM Carrier/Bryant/Payne X13 Furnace Blower Motor. The motor is rated at 1/2 HP 208-230 volt and 1050 RPM. It replaces the old parts 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!