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The OEM Goodman 10716005 Natural Gas Burner Orifice (spud) meters natural gas flow into the burner assembly of the Goodman/Amana AMVC81005CNBB gas furnace. The orifice's precision-drilled bore sets the input rate for each burner, so a correctly sized genuine orifice is essential for clean, efficient combustion and proper flame characteristics. A damaged, corroded, or incorrectly drilled orifice can cause sooting, delayed ignition, or under-firing.
This genuine OEM orifice is drilled to the exact diameter specified for this furnace's rated input. Generic or aftermarket orifices sometimes vary in bore size, which throws off the firing rate and can create unsafe combustion. For a gas-metering part, OEM is the safe and code-compliant choice.
Moderate (2/5). The orifice threads into the manifold and requires removing the burner assembly for access. Shut off gas and power first, and verify manifold pressure with a manometer after installation. If converting fuel types, use the manufacturer's conversion kit — do not re-drill orifices.