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The Goodman 10716005 is a genuine OEM natural gas burner orifice (spud) sized for the AMVC80805CNBB 80% AFUE two-stage/modulating gas furnace. The orifice threads into the manifold and meters the precise volume of natural gas delivered to each burner, setting the air-fuel mixture that determines a clean, stable flame and rated BTU input. Because the drill size is matched to the furnace's manifold pressure and altitude rating, using the correct OEM orifice is essential for safe, efficient combustion.
Orifice sizing is not something to approximate. This factory Goodman spud is drilled to the exact diameter your furnace was certified for, delivering the correct BTU input at the design manifold pressure. Generic or mis-drilled orifices can over- or under-fire the burner, causing sooting, flame rollout, delayed ignition, or reduced heat output. For a combustion component, the OEM part is strongly recommended over aftermarket guesses.
This is a gas-carrying component. Replacement requires shutting off the gas supply and power, removing the burner assembly to access the manifold, backing out the old orifice, and threading in the new one to the correct torque. After installation the flame appearance and manifold pressure should be verified, and a combustion/leak check performed. We recommend a licensed HVAC technician handle orifice work; improper installation can create a gas-leak or carbon-monoxide hazard.