Lennox 14X54 Burner Assembly L99H008 this specific assembly is calibrated

this specific assembly is calibrated for natural gas pilot burner applications

Compatibility is limited to the 243-8 large-capacity frame

High-Temperature Seals: Includes industrial-grade elastomers designed to withstand constant thermal cycling in heating and cooling loops

this OEM part matches the specific torque curve and shaft dimensions required to maintain the design airflow of York manufactured units

75 to 4 psi per degree Fahrenheit

Lennox 14X54 Burner Assembly L99H008 this specific assembly is calibratedThe Lennox 14X54 Burner Assembly is a high precision OEM replacement part designed for optimal combustion in compatible Lennox gas furnace systems. As a critical furnace burner assembly, this component facilitates the precise mixing of fuel and air to generate a stable, high efficiency flame. Engineered for durability, it ensures uniform flame distribution across the heat exchanger, which is vital for preventing hotspots and maximizing heat transfer