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The Goodman 10716003 is a genuine OEM natural gas burner orifice (spud) for Goodman and Amana AMS80703ANAA gas furnaces. This precision-drilled orifice meters natural gas into the burner to set the correct BTU input and maintain a clean, blue flame. A corroded, clogged, or mismatched orifice causes sooting, lazy flames, or low heat output. Replacing it restores factory-rated combustion.
Genuine Goodman orifices are gauged to an exact factory bore and thread, so gas input and flame quality stay within spec. Aftermarket spuds vary in bore tolerance, and an off-size orifice changes BTU input and combustion safety. For natural gas service, the OEM part guarantees a code-correct fit. Do not use a natural gas orifice on an LP conversion.
Easy (1/5). Threads into the manifold — back out the old orifice with a nut driver and hand-start the new one to avoid cross-threading. Shut off gas and power, and confirm the flame after relighting.