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The Goodman 10716003 natural gas burner orifice (spud) meters gas flow into the burners of the GMH951155DXAB 115,000 BTU two-stage furnace. The precision-drilled bore sets the correct fuel-to-air ratio for a clean, blue flame and rated BTU input. A damaged, corroded, or wrong-size orifice causes poor combustion, sooting, delayed ignition, or reduced heat output.
The OEM 10716003 is drilled to Goodman's exact orifice size for the GMH95 series, guaranteeing the furnace fires at its rated input. Generic orifices are often stamped with an approximate size and can over- or under-fire the burner — a combustion-safety concern. Always match the OEM spud number for natural gas.
Requires shutting off gas and power, removing the burner assembly, and swapping the orifice with the proper wrench. Because it involves the gas train and combustion, verification of flame quality and manifold pressure is recommended — best performed by a qualified HVAC technician.