OEM Lennox Furnace Control Board — Y0570
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30-Day Returns
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The genuine OEM Lennox Y0570 furnace control board is the integrated control that governs the complete heating sequence in your Lennox gas furnace. It manages the igniter, gas valve, inducer motor, blower timing, and safety limits, while continuously monitoring flame sensing and pressure switch inputs. Many boards also provide diagnostic LED fault codes to speed troubleshooting.
Common failure symptoms include the furnace failing to ignite, the blower or inducer not starting, short-cycling, no response to a thermostat call for heat, or a flashing error code on the board. Boards commonly fail from power surges, cracked solder joints, blown onboard fuses, or corroded relays, often leaving the furnace completely dead.
Why OEM matters: The Y0570 is programmed with the exact timing, safety logic, and component compatibility required by your specific Lennox furnace model. Aftermarket or universal boards can misfire the ignition sequence, mismanage blower delays, or fail to communicate with factory sensors. Installing the genuine OEM Y0570 restores correct operation, preserves built-in safety functions, and ensures full compatibility with 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