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The Goodman 10716003 natural gas burner orifice is a genuine OEM brass spud for the WGFM28090V5CXAA gas furnace and compatible Goodman/Amana furnaces. The orifice threads into the manifold and meters the precise volume of natural gas delivered to each in-shot burner. Its drilled bore diameter sets the furnace's firing rate, so using the correct orifice is essential for proper BTU input, flame appearance, and efficient combustion.
Orifice bore size is a precision dimension — even a few thousandths of an inch changes gas input and flame quality. The OEM 10716003 is drilled to Goodman's exact specification for this model at the rated manifold pressure, ensuring correct BTU output and a clean blue flame. Generic or mis-drilled orifices can overfire, underfire, or produce sooting and carbon monoxide. Always match orifice size to fuel type and altitude.
Rated Easy. Shut off the gas supply, remove the manifold or access the orifice, unthread the old spud with the correct wrench, and install the new orifice snugly without over-tightening. Confirm manifold pressure and flame after startup. Because this affects gas combustion, replacement should be performed by a licensed HVAC professional per local codes.