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The Goodman 10716003 Natural Gas Burner Orifice is a genuine OEM precision-drilled spud that meters natural gas into the burner of Goodman GCH90703BXAB gas furnaces. The orifice bore size sets the gas flow rate and, together with the manifold pressure, determines the furnace's firing rate and flame quality. A correctly sized orifice ensures clean, efficient combustion and prevents sooting, delayed ignition, or improper BTU output.
This is a factory-drilled Goodman orifice matched to the model's rated input. Because a few thousandths of an inch in bore size changes the firing rate and combustion safety, generic or mis-drilled orifices can cause overfiring, incomplete combustion, and carbon monoxide risk. Use the OEM part and verify the drill size stamped on your original before ordering.
Moderate (3/5). Threads into the manifold and must be leak-checked; combustion should be verified after replacement. Shut off gas and power first. Professional installation is strongly recommended for any gas-carrying component.