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The Goodman 10716003 is a genuine OEM natural gas burner orifice (spud) for the GMT090-3 gas furnace and package unit. This precision-drilled brass fitting meters the exact volume of natural gas into each burner, setting the correct BTU firing rate. A properly sized orifice ensures clean combustion, correct flame color, and rated heating output — an undersized or oversized hole causes sooting, delayed ignition, or overheating.
The OEM orifice is drilled to Goodman's exact specification for this furnace's BTU input and gas manifold pressure. Generic orifices vary in drill size and thread, and even a small difference changes the firing rate and safety margin. For a gas-metering component, OEM precision is essential.
Moderate (3/5). Requires shutting off the gas supply, removing the burner assembly or manifold, unthreading the old orifice, and installing the new one to the correct torque. Combustion should be verified afterward. Because it involves the gas train, we strongly recommend a licensed HVAC technician.
Shut off gas and power before servicing. Always leak-check connections and confirm proper combustion after installation.