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The Goodman 10716003 Natural Gas Orifice is a genuine OEM metering spud for the WFM18090S5CXCC gas furnace and related Goodman/Amana models. The orifice threads into the manifold and meters the precise volume of natural gas delivered to each in-shot burner. Its drilled bore diameter sets the furnace's BTU input, so using the exact factory orifice is essential for correct combustion, efficiency, and safe operation.
Orifice bore size is drilled to a tightly controlled specification. This OEM 10716003 guarantees the correct drill size for the furnace's rated input. Generic or mis-drilled orifices can cause over-firing, sooting, or a lazy, incomplete flame. Given the low cost and combustion-safety role, OEM is the clear choice.
Easy. Shut off gas and power, remove the burner, and unthread the old orifice from the manifold with a proper deep socket or wrench; thread the new one in snugly without over-torquing. About 15 minutes. Confirm burner flame appearance after install.
Match orifice to fuel type — natural gas and LP orifices are not interchangeable.