OEM Lennox Burner Assembly — 58L68

The genuine OEM Lennox 58L68 burner assembly mixes gas and air and delivers the flame that heats your furnace's heat exchanger. Precise port geometry and spacing ensure a clean, stable blue flame, complete combustion, and proper flame travel across each burner — all essential for safe, efficient heating in your Lennox gas furnace.

Common symptoms of a failing or fouled burner include delayed or rough ignition, a lifting or yellow flame, rumbling or popping on start-up, soot accumulation, and short cycling triggered by flame-sensing or rollout faults. Rust, scale, or spider-web blockages inside the burner ports are frequent culprits and often warrant replacement rather than repeated cleaning.

Installing the OEM Lennox 58L68 guarantees the correct orifice alignment and flame characteristics your furnace was designed around. Aftermarket burners can alter the air-fuel mix, causing incomplete combustion, elevated carbon monoxide, and premature heat-exchanger damage. The factory part restores rated performance, protects your equipment warranty, and keeps your Lennox furnace burning safely.