OEM Lennox Burner Box Cover — 61M32
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine OEM Lennox 61M32 (factory reference LB-100684E) is the burner box cover used on Lennox gas furnaces. This panel closes off the burner compartment, sealing the combustion area so that air and gas mix and ignite exactly as engineered. A properly fitted cover maintains correct combustion pressure and airflow, keeps flames contained, and protects the surrounding cabinet from combustion heat.
Common failure symptoms: When a burner box cover is warped, corroded, or missing, you may see erratic flames, roll-out conditions, combustion noise, soot, or repeated safety switch trips. Years of thermal cycling can distort the panel or degrade its sealing surfaces, allowing air leakage that upsets the burner's tuned combustion.
Why OEM matters: Lennox manufactures the 61M32 to precise specifications so it seals cleanly against the burner box and mating gaskets. Installing the OEM cover preserves the combustion characteristics, safety certifications, and efficiency ratings built into your furnace. Generic replacements often fit poorly and can create dangerous leaks. Restore your Lennox furnace to factory condition with the genuine part.
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