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This OEM Goodman 10716003 natural gas burner orifice (gas spud) precisely meters fuel flow into the burner of your WGGE4342A070MAB furnace. The exact drill size is factory-matched to the furnace's rated input, ensuring correct BTU output, a clean blue flame, and efficient, safe combustion. Using the correct orifice is essential — an over- or under-sized bore causes sooting, poor efficiency, or unsafe firing.
Orifice sizing is measured in thousandths of an inch. Genuine Goodman orifices hold the precise factory bore; generic parts may vary just enough to affect flame quality and efficiency. For a combustion component, always use the OEM spud sized for your furnace.
Moderate — threads into the manifold and must be leak-checked after installation. Shut off gas and power first. Confirm you are ordering the natural-gas (not LP) orifice for your model. Gas work should be performed by a qualified technician where required by code.