OEM Lennox Gas Valve Kit — 89M57
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The genuine OEM Lennox 89M57 gas valve kit regulates and controls the flow of gas to the burners in your Lennox furnace. Working in concert with the ignition control and safety circuit, this valve opens on a call for heat and shuts off gas flow when heating is complete, ensuring both efficient combustion and safe operation. It is engineered to match the exact pressure regulation and electrical specifications required by compatible Lennox heating systems.
When a gas valve fails, you may notice the furnace failing to ignite, short cycling, a burner that won't stay lit, delayed ignition with a noticeable gas smell, or inconsistent heat output. A worn or stuck valve can also trigger safety lockouts that leave your home without heat.
Choosing the OEM 89M57 matters because gas valves are a critical safety component — aftermarket substitutes may not deliver the precise gas pressure or fail-safe response your Lennox equipment was designed around. This factory kit guarantees correct fit, rated performance, and compliance with the original specifications, protecting both your furnace and your home. Professional installation by a licensed HVAC technician is strongly recommended.
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