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The Goodman 10716005 is a genuine OEM natural gas burner orifice (spud) for AMVC81005CXCA and compatible Goodman/Amana gas furnaces. The orifice meters the precise volume of natural gas delivered to each in-shot burner, setting the input rate and flame quality. A worn, clogged, or wrong-size orifice throws off the gas/air mixture and can cause sooting, roaring flames, or low heat output.
Orifice bore diameter is drilled to a specific gas-input rating. The OEM part guarantees the correct drill size for this furnace's BTU input; a generic or mis-sized orifice can over- or under-fire the burners, risking incomplete combustion and carbon monoxide. Match OEM exactly.
Moderate. Shut off gas and power, access the manifold, unthread the old orifice, and install the new one — do not overtighten the brass. Roughly 20–30 minutes. Verify manifold pressure and flame appearance after installation.