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The Goodman 10716003 is a genuine OEM natural gas burner orifice (spud) designed for the GCH91155DXAC gas furnace. This precision-drilled brass orifice meters the exact volume of natural gas delivered to each burner, ensuring a clean, stable flame, proper BTU input, and safe, efficient combustion. A worn or incorrectly sized orifice causes lazy flames, sooting, delayed ignition, and reduced efficiency — replacing it with the factory-spec part restores rated performance.
The OEM orifice is drilled to Goodman's exact bore specification for this model, guaranteeing correct gas flow and combustion. Generic orifices may deviate in bore diameter, risking over- or under-firing and failed combustion analysis. Because orifice sizing directly affects safety, we strongly recommend the OEM part.
Moderate (3/5) — Requires shutting off gas and power, removing the burner assembly, and verifying manifold pressure after replacement. Best performed by a qualified HVAC technician.