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The Goodman 10716005 is a genuine OEM natural-gas burner orifice (spud) designed for the VMS80603ANAA 80% gas furnace and compatible manifold assemblies. This precision-drilled brass fitting threads into the gas manifold and meters the exact volume of natural gas delivered to each in-shot burner, setting the furnace's rated BTU input. A damaged, corroded, or mis-drilled orifice throws off the air-fuel ratio, producing sooting, poor flame quality, or reduced heat output.
The OEM 10716005 is drilled to Goodman's exact orifice size for the furnace's altitude and BTU rating, guaranteeing correct combustion. Generic orifices are often sold in generalized drill sizes and can over- or under-fire the burner, which risks incomplete combustion and elevated carbon monoxide. For gas-metering parts, match the OEM specification.
Shut off gas and power, remove the manifold or burner assembly, unthread the old orifice with a socket, and hand-thread the replacement to spec without over-tightening. Always leak-test with soap solution and verify flame quality before returning the furnace to service.