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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud engineered for the Goodman GKS90453BXAA gas furnace. This precision-drilled orifice meters the exact volume of natural gas delivered to each burner, ensuring the correct BTU input, a clean blue flame, and efficient, safe combustion. Orifices can enlarge from erosion or become blocked by debris over time; replacing worn spuds restores proper flame characteristics and fuel efficiency.
Orifice drill size directly controls gas input, so precision is critical. Genuine Goodman orifices are drilled and gauged to the exact specification for this furnace's manifold pressure and BTU rating. An incorrectly sized generic orifice can cause under-firing, over-firing, sooting, or unsafe combustion. Always use the OEM spud sized for your fuel and altitude.
Moderate (3/5). Because this involves the gas train, replacement should be performed by a qualified technician. It requires shutting off the gas supply, removing the burner/manifold, threading in the new orifice, and leak-testing all connections before relighting. Verify manifold pressure after service.