Lennox 23V94 - Lennox 607421-36, ECM Constant Torque Blower Motor, Pre-Programmed, 1 HP 115 VAC, 5 Speed, 550-1300 RPM

 

Lennox 23V94 – Lennox 607421-36 ECM Constant Torque Blower Motor is a genuine OEM replacement motor designed for reliable airflow performance in residential and light commercial HVAC systems. This factory pre-programmed ECM motor delivers consistent torque across varying static pressures, helping maintain proper airflow while improving overall system efficiency.

Operating at 1 HP with a 115 VAC power supply, this motor features a 5-speed constant torque design with an operating range of 550 to 1300 RPM. The electronically commutated motor (ECM) technology reduces electrical consumption compared to traditional PSC motors, while also providing smoother starts, quieter operation, and improved system control. Because it is pre-programmed by Lennox, no field programming is required, allowing for faster, error-free installation.

The Lennox 23V94 / 607421-36 blower motor is engineered to meet exact OEM specifications, ensuring proper fit, correct airflow profiles, and long-term reliability when replacing a failed or worn motor. It is commonly used in Lennox air handlers and furnaces where precise airflow and dependable operation are critical for comfort and equipment longevity.

 

Key features and benefits

• Genuine Lennox OEM ECM constant torque blower motor
• 1 HP output for high-demand airflow applications
• Pre-programmed from the factory for plug-and-play installation
• 115 VAC, single-phase operation
• 5-speed design with 550–1300 RPM operating range
• Maintains consistent airflow under varying static pressure
• Improved energy efficiency and reduced operating noise
• Designed for long service life and dependable HVAC performance

 

Typical applications

This motor is used in select Lennox furnaces and air handlers requiring a 1 HP, 115 VAC ECM constant torque blower motor. Always verify compatibility using the original part number before installation.