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The Goodman 10716003 is a genuine OEM natural gas orifice designed for the Goodman GDT115-5 gas furnace. This small but essential brass fitting meters the gas flow feeding the burners. A worn, corroded, or wrong-sized orifice leads to poor flame color, incomplete combustion, and reduced efficiency. Installing the correct factory orifice restores the manufacturer-specified firing rate for safe, efficient heating.
Because orifice bore diameter directly sets BTU input, using a genuine OEM orifice is the only way to guarantee the exact factory drill size. Generic substitutes risk over-firing or under-firing the furnace and voiding warranty coverage.
Moderate (30 min). Turn off gas and power, access the manifold, thread out the old orifice, and install this replacement with the correct wrench — do not overtighten. Confirm natural-gas application and inspect the flame after restart.