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The Goodman 10716003 Natural Gas Orifice (burner spud) is a genuine OEM component for the GMH951155DXAG gas furnace. This precision-drilled orifice meters the exact volume of natural gas delivered to each burner, ensuring a clean, efficient flame and the correct BTU input rating. A worn, clogged, or incorrectly sized orifice causes lazy flames, sooting, delayed ignition, and reduced heating efficiency — replacing it with the factory-spec part restores proper combustion.
OEM (10716003): Factory-drilled to the exact orifice diameter for this furnace's manifold pressure and BTU rating — critical for safe combustion. Strongly recommended for gas components.
Generic: Universal brass orifices are available but must match the exact drill size stamped on the original. Verify the size before substituting on a gas appliance.
Moderate (3/5). Requires shutting off gas supply, removing the burner assembly, and threading in the new orifice with a nut driver. Because it involves the gas train, a qualified HVAC technician is recommended. Always leak-test with soap solution after reassembly.