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The Goodman 10716005 Natural Gas Burner Orifice is a genuine OEM replacement spud designed for the AMS80403AXAD 80% AFUE gas furnace and other compatible Goodman/Amana models. The orifice meters the flow of natural gas into each burner, so a worn, corroded, or incorrectly drilled spud is a common cause of soft ignition, yellow flame, sooting, or nuisance flame-sensor lockouts. Installing the factory-spec part restores the correct fuel rate and a clean, steady blue flame.
OEM orifices are drilled and gauged to the exact BTU input the furnace was certified for. Generic or re-drilled spuds can over- or under-fire the burner, which risks poor combustion and safety-limit trips. For a metering component this critical, we recommend the OEM part.
Easy (2/5). Shut off gas and power, remove the burner assembly, thread out the old orifice, and install the new one to spec. Always leak-check with soap solution and confirm flame quality on restart. If you are not comfortable working on gas piping, use a licensed HVAC technician.