Lennox 16Y20 – Lennox 105042-11, Blower Motor, Variable Speed, 1 HP, 240V-1Ph, 48 Frame, 300–1350 RPM

 

The Lennox 16Y20 (part number 105042-11) is a high-performance variable speed blower motor engineered to deliver precise airflow, improved efficiency, and quieter operation in residential and light commercial HVAC systems. Designed to replace the original OEM motor, this ECM variable-speed model provides smooth ramping, stable temperature control, and enhanced comfort while reducing energy consumption compared to traditional PSC motors. Ideal for restoring full system performance in compatible Lennox furnace and air handler models.

This 1 HP ECM motor operates at 240V, supports a wide 300–1350 RPM range, and is built in a durable 48-frame housing for long service life. Whether you are completing a routine repair or a full system rebuild, this OEM motor ensures proper fit, reliable operation, and true Lennox-quality performance.

 

Technical Specifications

• Brand: Lennox
• Part Number: 105042-11
• Model Number: 16Y20
• Motor Type: Variable Speed ECM Blower Motor
• Horsepower: 1 HP
• Voltage: 240V, 1 Phase
• Frame Size: 48 Frame
• RPM Range: 300–1350 RPM
• Application: Furnace / Air Handler Blower Motor
• Operation: Quiet, energy-efficient, variable-speed airflow control
• Compatibility: Designed for select Lennox HVAC systems (check model matching before purchase)