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The Goodman 10716003 Natural Gas Burner Orifice is a genuine OEM replacement engineered specifically for the GKS90704CXAC gas furnace and related Goodman/Amana models. This small but critical brass fitting meters the exact volume of natural gas delivered to each burner, ensuring a clean blue flame, correct BTU output, and efficient, safe combustion. A worn, clogged, or incorrectly sized orifice causes yellow flames, sooting, delayed ignition, or reduced heat output — replacing it with the factory-spec part restores your furnace to rated performance.
Because orifice bore diameter directly controls the gas-to-air ratio, we strongly recommend the genuine OEM 10716003. Generic or drilled-out orifices frequently deviate from the factory bore, throwing off combustion, tripping flame-sensor faults, and risking carbon monoxide production. The OEM part guarantees the correct orifice size for your furnace's rated input.
Easy (2/5). Threads into the burner manifold and is typically swapped in minutes with a nut driver. Always shut off gas and power first, and verify flame quality after installation. If you are not comfortable working with gas connections, use a licensed HVAC technician.