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Keep your furnace firing at its rated input with the genuine Goodman 10716005 Natural Gas Burner Orifice. This precision-drilled brass orifice (spud) meters the flow of natural gas into the burner assembly of the AMS81005CXAC and other compatible Goodman and Amana furnaces, establishing the correct BTU firing rate and a clean, stable flame.
The orifice bore diameter is factory-matched to natural gas at standard manifold pressure. A worn, corroded, or incorrectly sized orifice can cause under-firing, sooting, delayed ignition, or flame-sensor dropout. Replacing a damaged spud restores efficient, safe combustion.
OEM vs. Generic: Orifice sizing is exact — the drilled bore determines your furnace's gas input to a thousandth of an inch. Genuine Goodman OEM orifices are gauged to spec, while generic spuds may vary in bore diameter or thread pitch, risking improper firing rate and unsafe combustion. Match the OEM part for guaranteed input accuracy.
Install Difficulty: Moderate (2/5). Requires removing the burner assembly and threading the orifice into the manifold. Shut off gas supply, verify with a leak check on restart, and confirm manifold pressure. If unsure, use a licensed HVAC technician.