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The Goodman 10716003 natural gas orifice is a genuine OEM burner spud engineered for the Goodman GKS91155DXAA gas furnace. This precision-drilled brass orifice meters the exact natural-gas flow to each burner, ensuring a clean, efficient flame and correct BTU input. A worn, corroded, or incorrectly sized orifice causes poor combustion, soot, delayed ignition, or a lazy yellow flame — all of which waste fuel and can trip the flame sensor.
Orifice bore diameter directly controls gas input — even a few thousandths of an inch off changes the BTU rate and flame quality. Genuine OEM orifices are drilled and gauged to Goodman's exact spec. Generic orifices vary and can cause over- or under-firing, a safety and efficiency risk. Always match OEM for gas-metering components.
Requires shutting off gas, removing the burner assembly, and threading in the correct orifice. Best performed by an HVAC technician; verify natural-gas (not LP) application before installing.