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The genuine Goodman 10716003 Natural Gas Orifice is a factory-drilled burner spud for the Amana/Goodman AMH80805CNAA 80% AFUE, 80,000 BTU gas furnace. This precision orifice threads into the manifold and meters the exact natural-gas flow into each in-shot burner. Correct orifice sizing is what sets the furnace's firing rate and ensures clean, efficient combustion at the rated BTU output.
The OEM Goodman orifice is precision-drilled to the exact bore diameter this furnace requires for its rated input. An incorrect or generic orifice changes the firing rate, risking sooting, incomplete combustion, or overheating. For a gas-metering component, genuine OEM is the only safe choice. Do not substitute an LP orifice on a natural-gas system.
Moderate — Gas work for a qualified HVAC technician only. Shut off the gas supply, remove the manifold or burner as needed, thread in the new orifice, and perform a leak test plus a combustion/flame check before returning to service.