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The Goodman 10716005 Natural Gas Orifice is a genuine OEM burner spud for the Amana/Goodman AMEC960403ANAB gas furnace. The orifice meters the precise volume of natural gas delivered to each burner, setting the furnace's BTU input and ensuring a clean, correctly-sized flame. A worn, corroded, or wrong-size orifice causes poor combustion, sooting, delayed ignition, or incorrect heat output.
Orifice sizing is measured in thousandths of an inch and is matched to your furnace's rated input and manifold pressure. OEM orifices are drilled to Goodman's exact specification. Generic drill-your-own or universal orifices risk over- or under-firing the furnace, which is both a safety and efficiency concern. Never substitute an LP orifice for a natural gas application.
Intermediate (3/5). Requires shutting off gas and power, removing the burner assembly, and threading in the new orifice. A manifold pressure check with a manometer is recommended after replacement. If you are not comfortable working on gas components, hire a licensed HVAC technician.