Lennox 69W43 Flame Sensor "pitting" on the contact surfaces

"pitting" on the contact surfaces

This configuration includes a 1/8" MPT connection below the hex

the Aaon P80011 Spark Wire is a critical component for restoring reliable ignition sequences in Aaon RK and RM series rooftop units

as well as legacy part 100274778

Lennox 69W43 Flame Sensor "pitting" on the contact surfacesThe Lennox 69W43 Flame Sensor is a critical OEM safety component engineered for precise flame rectification within gas furnace burner assemblies. As a direct 69W4301 replacement part, this sensor features a high grade stainless steel sensing rod capable of withstanding operating temperatures up to 2190F, paired with a durable ceramic insulator rated for 1000F. When the furnace control board initiates the ignition sequence, the 69W43 detects the