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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud engineered for the Goodman GKS90703BXAC gas furnace. This precision-drilled orifice meters the exact volume of natural gas delivered to each burner, setting the furnace's BTU input and ensuring clean, efficient, correctly-proportioned combustion.
Orifice bore size directly controls firing rate — even a fractional deviation causes over- or under-firing, sooting, or a lifted flame. This OEM orifice is drilled to Goodman's exact specification for the GKS90703BXAC, guaranteeing the rated BTU input and a safe, blue flame. Never substitute an LP orifice on a natural gas furnace.
Moderate — Threads into the manifold and requires removing the burner assembly and confirming correct manifold pressure afterward. Best performed by a licensed technician who can verify firing rate and perform a combustion analysis.