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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud engineered for the Goodman GMTH090-5 gas furnace and compatible GMTH-series models. Threaded into the manifold, this precision-drilled orifice meters the exact volume of natural gas to each burner, delivering the furnace's rated BTU input, clean ignition, and proper flame quality.
The genuine OEM 10716003 is drilled to Goodman's precise orifice size for this model, ensuring correct input rate and safe combustion. Wrong-size or generic orifices over- or under-fire the burners, causing sooting, delayed ignition, or CO risk. For a gas-metering part, only exact-spec OEM is safe.
Moderate (2/5) — Shut off gas and power, remove the burner assembly, and thread in the new orifice with a nut driver. Because this involves the gas train, we strongly recommend a licensed HVAC technician verify manifold pressure after replacement.
Restore correct, safe burner performance on your GMTH090-5 with the factory natural-gas orifice.