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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud designed for the WGGE4549A115MAA gas furnace. The orifice meters the exact volume of natural gas delivered into each burner, setting the air-fuel mixture that produces a stable, blue, efficient flame. A worn, corroded, or incorrectly sized orifice can cause yellow flames, sooting, delayed ignition, or reduced heat output — so replacing a damaged spud with the factory-matched part restores rated BTU input.
Orifice drill size is critical — it directly controls firing rate. This genuine Goodman OEM orifice is bored to the factory specification for your furnace's manifold pressure. Generic orifices are often stamped with approximate sizes and can under- or over-fire the burner, wasting gas or creating unsafe combustion. For a combustion component, always match the OEM size.
Moderate (2/5). Threads into the manifold; requires shutting off gas, removing the burner assembly, and verifying the flame after reinstall. If you are not comfortable working on gas lines, use a licensed HVAC technician.