Lennox 80K09 Ignitor This protects the HVAC transformer

This protects the HVAC transformer from overheating during an overload or short circuit

Does this fit all Rheem furnace models

Fabricated from high-temperature resistant materials

including AOSmith

Lennox 80K09 Ignitor This protects the HVAC transformerThe Lennox 80K09 Ignitor is a critical OEM replacement component designed for high performance ignition in residential and commercial gas furnaces. Engineered as a spark ignitor electrode, this part is essential for initiating the combustion process by delivering a consistent, high voltage spark to the burner assembly. This specific model, often cross referenced as Lennox 80K0901, features a robust "L style" electrode configuration with a total length