Lennox Y4628 is a FirstChoice condenser fan motor designed for dependable performance in commercial and light industrial HVAC applications. This motor is engineered to provide consistent airflow through the condenser coil, helping maintain proper system pressures, efficient heat rejection, and reliable overall system operation.

Built for demanding environments, the Y4628 motor features a 1/2 HP output with a 460 volt single phase power supply and a 1075 RPM operating speed. Its 70C ambient temperature rating makes it suitable for high heat outdoor condenser installations where durability and long service life are critical. This motor is commonly used as a direct replacement in Lennox condenser units and is compatible with a wide range of HVAC systems requiring these electrical and mechanical specifications.

As part of the Lennox FirstChoice line, this condenser fan motor offers a cost effective solution while maintaining OEM fit, performance, and reliability standards. It is ideal for contractors, maintenance teams, and facility managers looking to restore proper condenser airflow and prevent overheating or compressor strain.

Product overview:


Lennox Y4628 FirstChoice condenser fan motor is designed to drive condenser fan blades efficiently, ensuring stable airflow and heat dissipation in outdoor HVAC units. It supports long run times under elevated temperature conditions and is suitable for replacement or maintenance applications.

Key specifications:


Manufacturer: Lennox
Series: FirstChoice
Lennox part number: Y4628
Motor type: Condenser fan motor
Horsepower: 1/2 HP
Voltage: 460 VAC
Phase: Single phase
Speed: 1075 RPM
Ambient temperature rating: 70C
Application: Outdoor condenser units

Applications and compatibility:

This condenser fan motor is commonly used in Lennox air conditioning and heat pump condenser units that require a 460 volt single phase motor with 1075 RPM speed. Always verify motor rotation, mounting, and electrical requirements before installation.