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The genuine Goodman 10716005 Natural Gas Orifice is a precision-drilled burner spud for AMVC800805DNAB gas furnaces and compatible Goodman/Amana models. The orifice meters the exact volume of natural gas delivered to each in-shot burner—its drill size directly controls the BTU input and flame quality. Damaged, corroded, or incorrectly sized orifices cause poor flame, sooting, or improper firing rate.
Orifice bore size is critical—an over- or under-sized drill changes the gas input and can create dangerous flame conditions. OEM 10716005 is factory-calibrated for this furnace's manifold pressure and BTU rating. Do not substitute an LP orifice on a natural-gas furnace.
Easy — Shut off gas and power, unthread the old orifice from the manifold, and thread in the replacement (do not overtighten brass). Verify manifold pressure and flame after install. Replace as a full set for even firing.