OEM Lennox Fan Motor Control Board — 63W36
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The genuine OEM Lennox 63W36 fan motor control board manages the operation and speed of the fan motor in your Lennox HVAC system. This circuit board receives signals from the thermostat and system controls, then energizes the fan motor at the correct speed and timing for heating, cooling, and continuous-fan modes. As the electronic hub for blower and fan operation, a properly functioning 63W36 is essential for consistent airflow, comfort, and efficient system performance.
Common failure symptoms include a fan motor that will not start or run, a blower that runs constantly or at the wrong speed, intermittent fan operation, poor or uneven airflow, and no comfort delivery even when the rest of the system appears to be working. Visible signs of board failure can include scorch marks, burnt relays, or a burnt-electronics odor around the control compartment.
Why OEM matters: Lennox control boards are engineered with the exact firmware, relay ratings, and connector layouts required by your specific model. A genuine 63W36 guarantees correct pin configuration, proper motor speed signaling, and full compatibility — avoiding the wiring headaches, erratic operation, and premature failures that commonly plague generic aftermarket boards.
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