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The Goodman 10716003 natural gas orifice (burner spud) is a precision-drilled brass component that meters the exact flow of natural gas into each burner of the GCH90704CXAA gas furnace. Correct orifice sizing is critical to safe combustion, proper BTU input, and clean flame—an incorrect or worn orifice causes sooting, delayed ignition, or lockout faults. This is the factory-specified natural gas orifice for your model.
The OEM Goodman orifice is drilled to the precise diameter Goodman certified for this furnace's input rating and gas pressure. Generic or mismatched orifices can over- or under-fire the burner, creating a safety and efficiency risk. For any gas-metering component, OEM sizing is non-negotiable.
Moderate (3/5). Requires shutting off the gas supply, removing the burner assembly, and threading the orifice to spec. Gas work should be performed by a qualified HVAC technician, who should verify manifold pressure and flame after installation. Never substitute an LP orifice on a natural gas furnace.