replacing a clogged or damaged orifice with this OEM-spec part ensures the system operates within its original design parameters

it should be paired with a compatible 1/2-inch NPT bulb well to protect the capillary bulb

75" diameter wheel features a 5/16" bore and is designed for clockwise (CW) rotation

The York S1-025-26390-001 limit switch is a critical safety component designed for precise thermal regulation within residential gas furnaces

it is not intended for direct switching of high-amperage motor loads

Lennox 49K85 Ignition Pilot Assembly 30067439-890 replacing a clogged or damagedMaintaining reliable ignition in Lennox gas furnaces requires precision components like the Lennox 49K85 Spark Ignition Pilot Assembly. This OEM spark igniter pilot is a direct fit replacement engineered for intermittent pilot ignition systems, providing a consistent high voltage spark to initiate the burner cycle. Transitioning from a failed assembly to this technical grade unit restores system safety by preventing unburnt gas accumulation. The 49K85