Lennox 33J24 Main Burner 340155-7024 Holder flame sensor (identical to

Holder flame sensor (identical to the RLY2705) monitors the burner's combustion process by generating a DC microamp (µA) signal

While the 6128 is commonly used in horizontal cradle mounts

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

10" WC rating signify

Lennox 33J24 Main Burner 340155-7024 Holder flame sensor (identical toFor 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