OEM Lennox Gas Burner Assembly — 58L70
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The 58L70 is a genuine OEM Lennox gas burner assembly that mixes gas and air and delivers a clean, stable flame into the heat exchanger. Proper burner condition is critical to efficient combustion, even heat transfer, and safe operation, making this a core component of your Lennox furnace's heating system.
Common Failure Symptoms
- Yellow, lazy, or uneven flames instead of a crisp blue burn
- Delayed ignition, rollout, or noticeable rumbling on startup
- Soot buildup, rust, or corrosion on the burner ports
- Reduced heat output or higher fuel consumption
Why OEM Matters
Burner port geometry and spacing directly affect flame quality, ignition timing, and how the flame aligns with the heat exchanger and flame sensor. The genuine Lennox 58L70 assembly is manufactured to exact factory tolerances so it lights reliably, burns cleanly, and pairs correctly with your ignition and sensing components. Choosing OEM protects combustion safety, efficiency, and your equipment warranty.
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