OEM Lennox Ignition Control Board — 94W83
OEM Guaranteed
Same-Day Ship
30-Day Returns
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The genuine OEM Lennox 94W83 ignition control board is the brain of your furnace's ignition sequence. It manages the timing of the igniter, gas valve, and flame sensor to safely start and monitor combustion, while running critical safety checks on every cycle. This board is engineered to the exact specifications of your Lennox furnace for seamless communication with the rest of the control system.
Common failure symptoms: When the 94W83 board fails, you may notice the furnace failing to ignite, short cycling, error codes or flashing diagnostic LEDs, the blower running continuously, or no response at all when the thermostat calls for heat. A cracked solder joint or fried relay on the board is a frequent culprit behind intermittent no-heat calls.
Why OEM matters: Aftermarket control boards often use different firmware, relay ratings, or pin configurations that can cause nuisance faults, improper timing, or safety lockouts on Lennox equipment. The factory-original 94W83 guarantees correct ignition timing, safety-circuit compatibility, and reliable performance — protecting both your furnace and your warranty. In stock and ships same day.
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