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The Goodman 10716003 is a genuine natural gas burner orifice (spud) for GMTH090-5A gas furnaces. This precision-drilled brass fitting threads into the manifold and meters the exact flow of natural gas into each burner, setting the correct firing rate and flame quality. A damaged, corroded, or incorrectly sized orifice causes poor combustion, sooting, lifting flames, or reduced heat output.
OEM vs. Generic: Orifice drill size directly controls the BTU input to each burner. The genuine Goodman 10716003 is drilled to the factory specification for this furnace's rated input at standard natural-gas pressure. A generic orifice with the wrong bore will over- or under-fire the furnace, hurting efficiency and safety. Always match OEM sizing — never drill out an orifice in the field.
Install difficulty: Easy (2/5). Shut off the gas and power, remove the manifold or access the burner, unthread the old orifice with a nut driver, and thread in the new spud snugly (do not overtighten). Confirm proper flame appearance and, ideally, verify manifold pressure after installation.