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The Goodman 10716005 is a genuine OEM natural-gas burner orifice (spud) for VMSS960403ANAA furnaces. Threaded into the gas manifold, the orifice meters the precise volume of natural gas fed to each in-shot burner. Its drilled bore size sets the input rate, so using the factory-correct orifice is essential for proper firing rate, clean combustion, and rated efficiency. A damaged, corroded, or wrong-drill orifice causes over- or under-firing, sooting, or nuisance lockouts.
The OEM 10716005 is drilled to the exact bore Goodman specified for this furnace's natural-gas input, with the correct thread and hex. Generic or mis-drilled orifices change the firing rate and can create dangerous combustion conditions. For any fuel-metering part, insist on OEM. Order one per burner for a complete manifold set.
Moderate (3/5). Shut off gas and power, remove the manifold or back the orifice out with a nut driver, thread in the replacement, and leak-check with soapy solution. Verify manifold pressure and flame appearance after installation — best done by a qualified technician.