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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud engineered for the AMH80703ANAC gas furnace and compatible Goodman/Amana equipment. The orifice meters the precise volume of natural gas delivered to each burner, ensuring the correct fuel/air mixture, clean ignition, and rated BTU input. A worn, corroded, or incorrectly drilled orifice can cause poor flame, sooting, delayed ignition, or an out-of-spec firing rate. Replacing a damaged spud with the exact factory part restores safe, efficient combustion.
The OEM 10716003 is drilled to the exact orifice diameter matched to this furnace's manifold pressure and BTU rating. A generic or mis-sized spud can over- or under-fire the burner, creating safety and efficiency problems. For a gas-metering component, always use the correct OEM orifice — and confirm sizing against the furnace rating plate.
Moderate (2/5) — Shut off the gas and power, remove the manifold or burner as needed, unthread the old orifice with a properly sized socket/wrench, install the new spud, and leak-check every joint. A gas-safe repair best handled by those comfortable with gas work; 20–30 minutes.