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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud for GCH950905DXAA gas furnaces. This precision-drilled brass orifice meters the exact volume of natural gas delivered to each burner, setting the flame size, BTU input, and air-fuel mixture. A worn, corroded, or incorrectly drilled orifice produces lazy yellow flames, sooting, delayed ignition, or improper firing rate.
Orifice drill size is model- and altitude-specific, so the OEM 10716003 guarantees the correct bore for the GCH950905DXAA's rated input on natural gas. Substituting an incorrectly sized generic orifice changes the BTU input and can create dangerous over-firing or incomplete combustion. For a safe, efficient flame, match the factory part number exactly.
Moderate (3/5). Requires shutting off gas and power, removing the burner assembly, and threading the new orifice to spec without over-tightening. After installation, leak-check the connection and verify a clean blue flame. If unsure, have a licensed technician perform the work.