Lennox 14X54 Burner Assembly L99H008 provided the actuator is mounted

provided the actuator is mounted in an upright position or at a 45-degree angle from vertical as per Schneider Electric technical guidelines to protect the electronics from excessive heat

For contractors managing large-scale HVAC replacement parts

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

this switch is the official Modine 5H73591-1 replacement

Lennox 14X54 Burner Assembly L99H008 provided the actuator is mountedThe 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