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This relay recycles instantly
and that no supply or return vents are obstructed
ensuring proper flame geometry and ignition reliability
Does this kit require a manometer for installation
Lennox 33J24 Main Burner 340155-7024 This relay recycles instantlyFor 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