OEM Lennox Gas Valve — 41K35
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine OEM Lennox 41K35 gas valve manages gas flow to the burners in your Lennox gas furnace, opening during a heat call and closing for safe shutoff. As a primary safety and performance component, it works with the furnace control board and ignition system to deliver precisely regulated gas for clean, efficient combustion. This valve meets Lennox factory specifications for correct fit and operation.
Common failure symptoms: A defective 41K35 gas valve can result in no heat, burners that fail to ignite, intermittent or short-cycling operation, buzzing or clicking noises from the valve, gas odors, or ignition lockout faults. Any valve that leaks or fails to open and close reliably should be replaced immediately for safe furnace operation.
Why OEM matters: Gas valves are safety-critical, and the genuine Lennox 41K35 ensures the exact pressure regulation, wiring, and physical fit your furnace requires. Substituting a non-OEM valve can cause improper gas regulation, poor combustion, and potential safety hazards. Install the factory-original part for safe, reliable, code-compliant heating from your Lennox system.
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