OEM Lennox Integrated Furnace Control Board Kit — 19W94
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30-Day Returns
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The genuine OEM Lennox 19W94 Integrated Furnace Control (IFC) board kit is the electronic brain of your gas furnace, managing the complete heating sequence — igniter timing, gas valve operation, blower and inducer motor control, and critical safety lockouts. This factory-matched board ensures your Lennox furnace stages through each cycle safely and efficiently, exactly as engineered.
Common failure symptoms include:
- Furnace fails to ignite or produces no heat
- Blower motor runs continuously or won't start
- Flashing diagnostic LED error codes on the board
- Short cycling or intermittent lockouts
- Burnt spots, corrosion, or scorched traces on the board
Why OEM matters: The 19W94 is calibrated to the precise voltage, timing, and relay specifications of Lennox furnaces. Aftermarket or universal control boards can mismatch ignition sequencing and safety logic, leading to nuisance faults, reduced efficiency, or unsafe operation. Installing the authentic Lennox part guarantees correct fit, full compatibility with your unit's wiring harness, and restored factory-rated performance. Always confirm the part number against your existing board before ordering.
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