OEM Lennox Gas Valve — 41K38
OEM Guaranteed
Same-Day Ship
30-Day Returns
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The genuine OEM Lennox 41K38 gas valve regulates the flow of natural or propane gas to the burners in your Lennox furnace. Working in coordination with the control board and ignition system, it opens to deliver gas during a heat call and closes for safe shutoff, making it one of the most critical safety and performance components in your heating system. This valve is built to Lennox factory specifications for correct pressure regulation and reliable operation.
Common failure symptoms: A failing 41K38 gas valve may cause no heat, a furnace that ignites intermittently, burners that fail to light, gas odors, unusual clicking or buzzing from the valve, or the furnace locking out on ignition failure. A stuck or leaking valve should be replaced promptly for safe furnace operation.
Why OEM matters: Gas valves are precision safety devices, and using the correct genuine Lennox 41K38 ensures proper gas pressure, wiring compatibility, and code-compliant operation. Non-OEM substitutes risk improper regulation, poor combustion, and safety hazards. Trust the factory-original part to keep your Lennox furnace running safely and efficiently.
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