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The Goodman 10716005 natural gas orifice is a genuine OEM burner spud for VMES961005CNAA modulating gas furnaces. The orifice meters the exact volume of natural gas delivered to each burner, setting the furnace's BTU input and ensuring a clean, stable, correctly-sized flame. A precision-drilled bore is critical: the wrong orifice size causes over- or under-firing, sooting, delayed ignition, or flame-sensing faults.
The Genuine OEM 10716005 is drilled to the precise bore diameter matched to this furnace's manifold pressure and burner design. Generic orifices are cheaper but bore tolerance varies, and even a slight difference shifts firing rate and combustion quality. For gas metering, OEM precision is worth it.
Rating: Moderate (3/5). Requires shutting off the gas supply, removing the manifold or burner assembly, and threading in the new orifice to the correct torque. A licensed technician should verify manifold pressure and combustion after replacement. Never substitute an LP orifice for natural gas or vice versa.