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The Goodman 10716003 is a genuine OEM natural gas burner orifice (spud) for the WFM18045S3AXCC furnace. The orifice threads into the manifold and meters the precise volume of gas fed into each in-shot burner, setting the BTU input and the air-fuel mixture for clean combustion. A worn, corroded, incorrectly drilled, or mismatched orifice throws off the flame — causing sooting, delayed ignition, low heat output, or an over-fired burner. Installing the correct factory-drilled orifice restores rated input and a stable blue flame.
The OEM Goodman orifice is drilled to the exact bore Goodman specified for this furnace's natural-gas input and altitude default, so BTU delivery and flame quality match spec straight out of the package. Generic or hand-drilled orifices risk incorrect firing rate, which affects efficiency and safety. For a gas-metering part, OEM precision is the right call.
Easy. Thread the old orifice out of the manifold and thread the new one in — typically a wrench and a few minutes per orifice. Shut off gas and power first, and check for leaks plus proper flame after startup.