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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud for the WGFM195070S4CAB gas furnace. The orifice meters the precise volume of natural gas delivered to each burner, setting the furnace's BTU input and the fuel/air mixture. Its drilled bore is machined to the exact diameter Goodman specifies for this model's manifold pressure, so combustion is clean, quiet, and correctly rated. A wrong-size or damaged orifice causes sooting, delayed ignition, or improper firing rate.
OEM vs. Generic: Orifice sizing is safety-critical. The OEM 10716003 guarantees the exact bore for this furnace's rated input; a generic or mismatched orifice can over- or under-fire the burner and produce carbon monoxide. Always match the OEM part number for the specific manifold pressure.
Install difficulty: Moderate (3/5). Requires shutting off the gas, disconnecting the manifold, and threading the orifice to spec — a task for a qualified technician who can verify manifold pressure and combustion afterward. One orifice is used per burner, so confirm your total quantity before ordering.