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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud for the WFM18090S4BXCB gas furnace. The orifice is the precision-drilled brass jet that meters the exact volume of natural gas into each in-shot burner, setting the furnace's BTU input and flame quality. Even a small change in orifice drill size shifts the gas rate, so using the factory-specified orifice is essential for correct, efficient, and safe combustion.
Orifice sizing is a safety-critical spec. The genuine Goodman OEM orifice is drilled to the exact size and threaded to match the manifold for this furnace's rated input at your gas pressure. Generic or mis-drilled orifices can over- or under-fire the burner, causing sooting, poor efficiency, or dangerous CO production. Always match the OEM part.
Easy. Thread the old orifice out of the manifold and install the new spud — usually a single wrench operation per burner. Shut off gas and power first, and check the flame and gas pressure after installation. Gas manifold work should be verified by a qualified technician.