Westinghouse 622684 Ecm Furnace Blower Motor 3/4 Hp

Product Description

The WESTINGHOUSE 622684 is an electronically commutated motor (ECM) blower motor designed for forced-air furnace applications. Rated at 3/4 HP and operating on 115 volts, this motor drives the blower wheel that circulates conditioned air through the duct system. The counterclockwise rotation at the lead end is a defining installation characteristic that must be confirmed before mounting. Licensed HVAC technicians and experienced service professionals are the intended installers. ECM technology delivers variable-speed operation, which improves airflow efficiency and reduces energy consumption compared to standard PSC motors.

This blower motor is suited for residential forced-air furnace systems where a 3/4 HP, 115-volt ECM replacement is required. It is appropriate for gas and oil furnace platforms that originally specify an ECM-type blower motor. Typical install scenarios include motor-only replacement during a service call or as part of a blower assembly overhaul. The counterclockwise lead-end rotation must match the original motor specification in the unit being serviced.

Key Features

• ECM design provides variable-speed airflow control and improved energy efficiency over standard PSC motors
• 3/4 HP output rated for residential furnace blower duty
• 115-volt single-phase operation
• Counterclockwise rotation at the lead end — confirm before installation
• OEM-style replacement form factor for furnace blower assemblies

Compatibility

Designed as an OEM-style ECM replacement blower motor for residential forced-air furnace systems requiring a 3/4 HP, 115-volt, counterclockwise lead-end motor.

Installation Notes

Installation should be performed by a licensed HVAC technician. Disconnect and lock out all electrical power to the furnace before removing the existing motor or handling any wiring. Verify that the replacement motor rotation direction, voltage, and horsepower match the original unit specifications before mounting. Wiring and installation must comply with applicable local codes and the National Electrical Code (NEC).

Technical Specifications

• Motor Type: ECM (Electronically Commutated Motor)
• Horsepower: 3/4 HP
• Voltage: 115 volts
• Rotation: Counterclockwise (lead end)
• Application: Furnace blower

Standard Information

• Brand: WESTINGHOUSE
• Manufacturer Part Number: 622684