Lennox 33J24 Main Burner 340155-7024 Engineered for long-term reliability

Engineered for long-term reliability

Field tests confirm that most pilot outages are caused by external environmental factors or a compromised thermocouple connection rather than the valve itself

ensuring proper flame geometry and ignition reliability

the Functional Devices TR100VA008 is rated for a continuous 100VA output

Lennox 33J24 Main Burner 340155-7024 Engineered for long-term reliabilityFor veteran technicians and mechanical contractors, the Lennox 33J24 Main Burner (also identified under part number 33J2401) is an essential OEM replacement component designed for high efficiency gas furnaces. This precision engineered burner is critical for maintaining the correct air gas mixture and ensuring a stable, clean blue flame during the ignition cycle. Built to withstand high thermal stress, it effectively prevents common issues such as