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

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

OEM Precision: Guaranteed compatibility with Nor East Controls Series 8600 and 8900 cage valves for reliable field service

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

With a standard 1/2-inch bore

Lennox 49K85 Ignition Pilot Assembly 30067439-890 75" diameter wheel features aMaintaining 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