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The Goodman 10716003 Natural Gas Orifice (burner spud) is a genuine OEM metering component for AMH80604BXAA gas furnaces. The precision-drilled orifice controls the exact volume of natural gas injected into each in-shot burner, setting the input rate and flame quality. A worn, plugged, or incorrectly drilled orifice causes uneven flame, sooting, or improper firing rate — this OEM spud restores factory metering.
Orifice drill size determines BTU input, so the OEM part is the safe choice — an oversized generic orifice over-fires the furnace and can overheat the heat exchanger, while an undersized one starves the flame. This genuine spud is drilled to Goodman's exact specification for natural gas.
Difficulty: Easy. Shut off gas and power, unthread the old orifice from the manifold, and thread in the replacement using pipe-thread sealant — about 10–20 minutes per orifice. Verify flame and check for gas leaks before returning to service.