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The Goodman 10716005 Natural Gas Orifice is a genuine OEM brass burner spud that meters the flow of natural gas into the burner of the VMS80604BXAA gas furnace. The orifice's precisely drilled bore controls the gas rate at the manifold, setting the correct air-fuel mixture for clean, efficient combustion. Using the exact factory-drilled orifice size is essential — an incorrect bore changes the input rate and can cause sooting, overheating, or an under-fired furnace.
OEM vs. Generic: Genuine Goodman orifices are drilled to the exact diameter matched to your furnace's BTU rating and manifold pressure. Generic or re-drilled orifices can throw off the input rate, producing yellow-tipping flames, carbon monoxide, or nuisance lockouts. Always confirm the correct orifice size for your model and installation altitude before replacing.
Installation Difficulty: Easy to Moderate (2/5). Threads into the manifold and torques with a nut driver or wrench. Shut off gas and power, and always leak-test the connection with soap solution after installation. When in doubt, use a licensed technician to verify the gas input rate.
National HVAC Parts stocks genuine Goodman orifices and gas-train parts — reach us at info@nationalhvacparts.com.