Lennox 20J87 Inshot Burner 321042-401 protecting equipment from high static

protecting equipment from high static pressure even when the zone is "closed

It is not compatible with intermittent pilot or hot surface ignition modules

this HSI reaches ignition temperature rapidly to ensure a reliable bridge to the burner assembly

This is a factory drain hole required by ASME code

When performing a TXV replacement

Lennox 20J87 Inshot Burner 321042-401 protecting equipment from high staticThe Lennox 20J87 Inshot Burner is a critical OEM replacement component designed for high efficiency gas furnaces and unit heaters. Engineered for precision, this 20J8701 identical burner measures 2. 5 inches wide by 4. 5 inches long and is constructed from durable stainless steel to resist corrosion and thermal stress. As a veteran technician knows, maintaining proper combustion performance depends on the swirl stabilized flame pattern this part