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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud designed for the AMH80704BXCA gas furnace and compatible Goodman and Amana models. Threaded into the manifold, the orifice meters the precise volume of natural gas delivered to each burner, setting the furnace's BTU input and ensuring a clean, efficient flame. A worn, corroded, or incorrectly drilled orifice causes lifting flames, sooting, delayed ignition, or under-firing — replacing it with the factory-spec part restores proper combustion.
The OEM 10716003 is drilled to the exact orifice size Goodman engineered for this furnace's manifold pressure and BTU rating. Generic or universal orifices are often drilled to a nominal size that shifts the firing rate, hurting efficiency and potentially producing carbon monoxide. Because gas metering is a safety-critical function, we strongly recommend the genuine OEM spud sized for your specific model.
Moderate (3/5). Shut off gas and power, disconnect the manifold or burner assembly, and thread out the old orifice with the correct wrench, taking care not to cross-thread the replacement. Do not enlarge or modify the orifice. After installation, a licensed technician should verify manifold pressure and check for gas leaks before returning the furnace to service.