OEM Lennox Integrated Furnace Control Board Kit — Y8726
OEM Guaranteed
Same-Day Ship
30-Day Returns
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The genuine OEM Lennox Y8726 integrated furnace control board kit is the electronic brain of your Lennox gas furnace. It manages the complete ignition sequence, monitors safety switches, and coordinates the timing of the igniter, gas valve, inducer motor, and blower to deliver safe, efficient heating. Supplied as a complete kit, it includes the components needed for a clean, direct replacement in compatible Lennox furnace models.
Common failure symptoms: A failing control board often shows up as a furnace that won't ignite, short-cycling, a blower that runs constantly or not at all, an igniter that never glows, or flashing diagnostic LED fault codes. Cracked solder joints, burnt relays, and moisture damage are frequent causes of board failure.
Why OEM matters: Lennox furnaces rely on precise ignition timing and flame-sensing logic that aftermarket boards often can't replicate. Installing the OEM Y8726 kit guarantees correct pinout, firmware behavior, and safety compliance for your specific Lennox system — protecting your equipment warranty and ensuring dependable operation season after season.
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