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The Goodman 10716005 Natural Gas Orifice is a genuine OEM burner spud for AMS80603AXAC gas furnaces and compatible Goodman/Amana 80% AFUE models. The orifice meters the precise volume of natural gas into each in-shot burner, setting the correct BTU input and ensuring a clean, blue flame.
Orifice bore diameter directly controls gas flow and firing rate. This OEM part is drilled to the exact size specified for your furnace, guaranteeing correct BTU input and combustion. Generic or incorrectly sized orifices can cause under- or over-firing, sooting, or unsafe operation. Always match the OEM bore.
Difficulty: Moderate — Threads into the manifold after the burner is removed. Requires shutting off gas and a wrench. A technician or experienced DIYer can complete it in 20–30 minutes. Leak-check all connections after reassembly.