Lennox 23V81 – 624623-11 ECM Constant Torque Blower Motor, 1 HP, 115 VAC, Pre-Programmed, 0-1100 RPM

 

The Lennox 23V81 – 624623-11 ECM Constant Torque Blower Motor is a high-performance replacement motor engineered for reliable, quiet blower operation in residential and light commercial HVAC systems. Designed as an exact fit for Lennox applications requiring a 1 HP motor, this pre-programmed ECM Constant Torque motor delivers precise airflow control across the full speed range from 0 to 1100 RPM. With rugged construction, energy-efficient performance, and 115 VAC 1-phase 60 Hz compatibility, it ensures optimal system efficiency, reduced energy use, and dependable long-term operation.

This blower motor features Electronically Commutated Motor (ECM) technology that provides superior torque at low speeds and smooth modulation across the entire RPM range. Pre-programmed for factory-matched performance, the 23V81 minimizes installation time and calibration needs, making it ideal for both retrofit replacements and OEM installations. The constant torque design ensures consistent fan performance under varying load conditions, enhancing comfort and airflow stability throughout your HVAC system.

Constructed for durability and longevity, the Lennox 624623-11 motor withstands daily HVAC demands while maintaining quiet operation and reduced wear. Its exact electrical and mechanical specifications meet Lennox standards, providing a perfect replacement option that supports sustained performance and system reliability.

This blower motor is engineered to integrate seamlessly with compatible furnaces and air handlers, delivering dependable airflow control and system efficiency. Backed by the quality Lennox is known for, the 23V81 / 624623-11 is the premium choice when replacing or upgrading your HVAC blower motor.

 

Key Features:

Whether you’re repairing a Lennox system or upgrading for improved performance, this pre-programmed ECM blower motor delivers enhanced airflow control, energy efficiency, and reliable operation you can count on.