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The Goodman 10716003 is a genuine OEM natural gas burner orifice (spud) that meters the precise volume of gas delivered to each in-shot burner. It threads into the manifold and is factory-drilled to the correct orifice number for the input rating of the AMH80704BNAA furnace. Correct orifice sizing is critical: a worn, corroded, or wrong-size orifice throws off the gas/air mixture, producing sooting, delayed ignition, or an over/under-fired furnace. Replacing with the matching OEM spud restores factory input and a stable blue flame.
The OEM Goodman orifice is drilled and deburred to Goodman's exact spec for this model's BTU input. Generic orifices vary in bore tolerance and thread length, which can change firing rate and flame quality. Because this part directly controls gas flow, OEM is the safe, correct choice.
Easy (2/5). Turn off gas and power, unthread the old orifice from the manifold with a nut driver, and thread in the exact-match replacement. Leak-check the joint and confirm flame appearance before returning to service.
Verify input with a manometer/clocking the meter. When in doubt, use a licensed HVAC technician.