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The Goodman 10716003 Natural Gas Orifice is a genuine OEM brass burner spud for the Goodman GKS90453BXAF gas furnace and compatible GKS90 models. This precision-drilled orifice meters the exact volume of natural gas into each burner, setting the furnace's input rate (BTU) and ensuring clean, efficient, and safe combustion. A worn, corroded, or incorrectly sized orifice causes poor flame, sooting, or improper firing — replacing with the matched OEM spud restores factory performance.
The OEM orifice is drilled to Goodman's exact bore size for the rated input. Generic orifices can be off-size, over- or under-firing the furnace and creating unsafe combustion. Always match the genuine part and the appropriate fuel type.
Moderate (2/5) — Shut off gas and power, remove the burner assembly or manifold, unthread the old orifice with a nut driver, and thread in the new spud. Recommended for a qualified technician who can verify manifold pressure after service.