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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner component for the Goodman GCH950453BXAC gas furnace and compatible models. Also called a spud, this precision-drilled orifice meters the flow of natural gas into each burner, setting the correct BTU input and air-fuel mixture. A worn, damaged, or wrong-size orifice causes poor combustion, sooting, delayed ignition, or incorrect firing rate.
Orifice drill size is critical — it directly controls BTU output. This genuine Goodman OEM orifice is drilled to the exact factory specification for natural gas on this model. Using an incorrectly sized generic orifice can over- or under-fire the furnace, creating safety and efficiency problems. Always match the OEM part number and fuel type.
Moderate. Requires shutting off gas and power, removing the manifold or burner assembly, and threading in the new orifice without cross-threading. A gas leak test after reassembly is mandatory. Estimated time: 20–40 minutes. A licensed HVAC technician is recommended for gas-side work.