OEM Lennox ECM Blower Motor Assembly — 39L25
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30-Day Returns
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The genuine OEM Lennox 39L25 ECM blower motor assembly is the variable-speed electronically commutated motor that drives conditioned air through your Lennox furnace or air handler and out to the ductwork. Its onboard electronics ramp speed up and down for quiet operation, consistent airflow, and improved energy efficiency compared to older PSC motors.
Symptoms of a failing ECM blower motor include weak or no airflow, the blower surging or hunting between speeds, unusual humming or clicking, the motor overheating and cycling on thermal protection, or a complete no-blower condition even though the control board is calling for the fan.
Because ECM motors are programmed and paired to a specific Lennox model, the OEM 39L25 comes with the correct module, torque curve, and mounting to match your system exactly. Generic motors often lack the proper programming and can cause airflow and comfort problems. This factory-direct assembly restores rated performance and efficiency to your Lennox equipment.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days