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The Goodman 10716003 Natural Gas Orifice is the genuine OEM burner spud that meters gas flow into the burners of the AMH950703BXAF gas furnace. The orifice's precise drill size sets the BTU input per burner for natural gas operation. A worn, corroded, or wrong-size orifice causes poor flame quality, sooting, delayed ignition, or incorrect heat output — so matching the factory part is essential for safe, efficient combustion.
Orifice sizing is not interchangeable. The OEM 10716003 is drilled to the exact specification for this furnace's natural-gas input and altitude rating. A generic or mismatched orifice can over- or under-fire the burner, creating unsafe conditions. Do not substitute an LP/propane orifice — use the correct natural-gas OEM part.
Moderate (approx. 20–30 minutes). Shut off gas and power, remove the burner assembly or manifold as needed, unthread the old orifice, and thread in the new one — do not over-tighten. After installation, leak-test the connection and verify a clean blue flame. Because this involves the gas train, a licensed HVAC technician is recommended if you are not comfortable working on fuel components.