Lennox 58L70 Burner Assembly 323055-751 This is a standard 2-stage

This is a standard 2-stage sequencer

While a 3PDT relay offers more poles than a DPDT

Measuring 13" H x 11" W with a 7-7/16" base

the 300-103BDC is a dedicated 12VDC burner

the 100217961 is the current manufacturer part number that replaces the older 9008992005 model in Lochinvar and A

Lennox 58L70 Burner Assembly 323055-751 This is a standard 2-stageThe Lennox 58L70 Burner Assembly is a factory authorized OEM replacement part engineered for high efficiency residential and light commercial gas furnaces. This assembly features an inshot burner design with a 6 cluster configuration, specifically developed to deliver a precise air fuel ratio for optimal combustion. Generating a heat capacity of 30,000 BTUH, this unit ensures stable flame patterns and effective heat distribution directly into the heat