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the RIBU1S is a self-contained unit with a plenum-rated housing
the 156T2548A is specifically designed for the larger commercial T7400
allowing for maintenance without full system disassembly
These are standard for the Ultra (Commercial and Residential)
oil-filled design that ensures optimal heat dissipation during long duty cycles
Lennox 80K09 Ignitor the RIBU1S is a self-containedThe 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
