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The Goodman 10716005 is a genuine OEM natural gas burner orifice (spud) for the AMVC81005CNBD 80% AFUE two-stage variable-speed furnace and compatible AMVC8 / GMVC8 units. The orifice threads into the manifold and meters the precise volume of gas delivered to each in-shot burner. Its drilled bore size is matched to the furnace's rated BTU input and inlet gas pressure, so using the correct orifice is essential for safe combustion, proper flame color, and rated efficiency.
OEM vs. Generic: This OEM orifice is drilled to the exact diameter specified for your furnace's input rating. A generic or mis-drilled orifice can over- or under-fire the burners, producing sooting, a lifting flame, or delayed ignition. Because orifice sizing directly affects combustion safety and CO output, matching the factory part is critical — do not substitute an unverified bore size.
Install difficulty: Easy to Moderate. Shut off the gas supply and power, remove the burner box, and unscrew the old orifice from the manifold with a socket. Thread the new orifice in snugly without over-tightening the brass. Allow 15–25 minutes, then leak-test the connection with soapy water before firing. If converting between natural gas and LP, use the manufacturer's conversion kit, not a mismatched orifice.