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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud precision-drilled for the Goodman GKS90453BXAC gas furnace. The orifice meters the exact volume of natural gas delivered to each burner, setting the furnace's BTU input and ensuring clean, efficient combustion. A worn, corroded, or incorrectly sized orifice causes poor flame quality, sooting, or improper firing rate — installing the factory-spec part restores proper heat output.
The OEM orifice is drilled to Goodman's certified natural-gas BTU rating for this model — critical for safe, code-compliant combustion. A Generic orifice must match the exact drill size; an incorrect bore alters the firing rate and can create unsafe conditions. When in doubt, use OEM.
Moderate (3/5). Requires shutting off the gas, removing the manifold/burner, and threading in the orifice to spec. Recommended for those comfortable with gas piping; a leak check with soap solution is mandatory after install.