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The 10716003 is a genuine OEM Goodman natural gas burner orifice (spud) for the WFD18045S3AXCB furnace and compatible Goodman/Amana models. The orifice threads into the manifold and precisely meters the volume of natural gas delivered to each burner. The drill size is matched to the furnace's rated input BTU and gas type, ensuring clean, efficient combustion and a properly shaped flame.
Orifice sizing is exact — the bore diameter directly controls firing rate. The OEM 10716003 is drilled to Goodman's specification for correct input and safe combustion. Generic or wrong-size orifices can cause over-firing, sooting, delayed ignition, or carbon monoxide production. Always match the OEM part and verify gas type.
Moderate (3/5). Requires shutting off gas and power, removing the burner assembly, and using a wrench to swap the orifice on the manifold. Handle the machined tip carefully — nicks affect flame quality. After service, a combustion/leak check is recommended. Use a licensed technician if you are not experienced with gas components.