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The Goodman 10716005 Natural Gas Orifice is a genuine OEM burner spud for the AMH80403AXBC gas furnace and compatible Goodman/Amana models. The orifice meters the exact volume of natural gas delivered into each in-shot burner, setting the furnace's BTU input and flame quality. A worn, enlarged, or debris-clogged orifice causes over- or under-firing, sooting, delayed ignition, or flame-sensing faults. Installing the correctly drilled OEM orifice restores proper firing rate and clean combustion.
The genuine OEM 10716005 is drilled to the precise diameter specified for your furnace's rated input and manifold pressure. Generic or LP-drilled orifices deliver the wrong gas flow, risking over-firing, high CO, or nuisance lockouts. Orifice sizing is safety-critical — always match the OEM part and never substitute an LP orifice on a natural-gas furnace.
Shut off gas and power, remove the burner/manifold as needed, unthread the old orifice with a proper deep socket, and thread in the new one without over-torquing. Verify flame pattern and check for leaks with a gas leak detector. Budget 20–30 minutes.
Gas-metering components should be replaced and leak-tested by a licensed HVAC technician.