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The Goodman 10716003 Natural Gas Orifice (burner spud) is a genuine OEM metering component for the ACV90905DXBA gas furnace and related Goodman/Amana models. Precisely drilled to factory specification, the orifice meters the exact volume of natural gas into each burner to produce a clean, efficient blue flame. A worn, corroded, or incorrectly sized orifice causes poor combustion, sooting, lazy yellow flames, or nuisance lockouts.
The OEM orifice carries the exact factory drill size, so gas flow and BTU output match the furnace rating sheet — critical for safe combustion. Generic spuds often differ slightly in bore diameter, which can over- or under-fire burners and create carbon monoxide or efficiency problems. Always match the orifice to the furnace and fuel type.
Moderate (3/5). Requires shutting off gas and power, removing the burner assembly, and threading the spud into the manifold to spec. Work involving gas should be performed by a licensed HVAC technician. Verify manifold pressure after replacement.