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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud for the AMH80904BNAC gas furnace and compatible Goodman/Amana models. Threaded into the manifold, each orifice meters the precise volume of natural gas delivered to its burner. Correct orifice sizing is critical to achieving the rated BTU input, a clean blue flame, and safe, efficient combustion.
The genuine OEM 10716003 is drilled to the factory orifice size that matches your furnace's rated input and altitude specification. Because an incorrectly sized orifice can cause sooting, delayed ignition, or unsafe over-firing, we strongly recommend the OEM part rather than a generic drilled spud. Never substitute an LP orifice on a natural gas unit.
Moderate (2/5). Shut off the gas and power, then unthread the orifice from the manifold with a socket or nut driver and thread in the replacement — do not over-torque. Best performed by a qualified technician who can verify manifold pressure and flame after installation.