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The Goodman 10716003 Natural Gas Orifice is a genuine OEM brass burner spud that meters natural gas into the in-shot burners of the Goodman GMT140-5140,000 BTU gas furnace. The orifice bore is factory-drilled to Goodman's exact specification so each burner receives the correct gas flow for clean, efficient, and safe combustion.
Orifice bore diameter directly controls BTU input and flame quality. A genuine Goodman 10716003 is drilled and gauged to the furnace's rated derating and manifold pressure. Generic or mis-drilled orifices can over- or under-fire the burner, causing sooting, delayed ignition, or a safety lockout. For a natural gas furnace, always use the factory-matched spud.
Moderate (3/5). Requires shutting off the gas supply, removing the manifold or burner assembly, and unscrewing the orifice with a properly sized socket. Correct thread sealing and a post-install leak check with soap solution are essential. Gas work should be performed by, or verified by, a licensed HVAC technician.
Verify manifold pressure and BTU rating against your data plate before ordering, or contact info@nationalhvacparts.com for assistance.