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The 10716003 is a genuine OEM natural-gas burner orifice (spud) for the Goodman GCV90905DXBB gas furnace. This precision-drilled brass orifice meters the exact volume of natural gas delivered to each burner, setting the furnace's rated BTU input and ensuring a clean, efficient flame. A clogged, damaged, or incorrectly sized orifice causes poor flame, sooting, delayed ignition, or reduced heat output.
Orifice sizing is safety-critical: the drill diameter is matched to the furnace's BTU rating and gas type. OEM orifices guarantee the correct bore and thread. Generic or mislabeled spuds can over- or under-fire the furnace, producing carbon monoxide or a dangerously rich flame. Always use the OEM part number specified for your model and fuel.
Moderate (2/5). Shut off gas and power. Access the manifold, back out the old orifice with the correct wrench, thread in the new one, and leak-test all connections with soap solution before relighting. Best performed by an HVAC professional. About 15–20 minutes.