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The Goodman 10716005 is a genuine OEM natural gas burner orifice (spud) for Goodman and Amana gas furnaces, including the AMS81205DXAC. The orifice meters the exact volume of natural gas into each in-shot burner, setting the furnace's BTU input at the manifold pressure specified by the manufacturer. A damaged, corroded, or incorrectly drilled orifice throws off the air-fuel ratio and can cause sooting, delayed ignition, or reduced heat.
Orifice bore diameter directly controls firing rate and safety. The OEM 10716005 is factory-drilled to the exact size for this furnace's rated input. Generic or field-drilled orifices risk over- or under-firing, elevated CO, and warranty issues. For a fuel-metering part, OEM is strongly recommended.
Moderate (2/5). Shut off gas and power, remove the manifold or burner as needed, thread out the old orifice, and install the new spud with proper torque. Verify manifold pressure and check for gas leaks with a licensed technician before returning to service.