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The 10716005 is a genuine Goodman natural-gas burner orifice (spud) for the AMVC801005CNAB two-stage variable-speed 80% AFUE gas furnace. Threaded into the gas manifold, the orifice meters the precise volume of natural gas delivered to each in-shot burner. Its drilled bore diameter sets the furnace's BTU input, so using the correct orifice is essential for safe, efficient, correctly-sized combustion. A damaged, corroded, or wrong-size orifice causes under/over-firing, sooting, and poor flame quality.
Orifice bore size is matched to fuel type, manifold pressure, and altitude rating. The OEM 10716005 is drilled to Goodman's exact natural-gas specification. An incorrect bore can dangerously over-fire the furnace or starve the burners — always match the OEM part number and never substitute an LP orifice for natural gas.
Moderate (3 of 5). Threads into the manifold and typically replaced as a full set with the burners. 20–40 minutes. Shut off gas and power, use a proper orifice wrench to avoid distorting the bore, and leak-check every joint on restart. Gas-side work is best left to a licensed HVAC technician.