Trane ORF0501 Orifice R-407C When performing a Robertshaw 705-401

When performing a Robertshaw 705-401 installation

For technicians specializing in HVAC repair

yellow flame tips

protecting the indoor air stream from exhaust gases

Operating with a 150mA control draw

Trane ORF0501 Orifice R-407C When performing a Robertshaw 705-401The Trane ORF0501 is a precision engineered #44 Standard Fire Orifice designed specifically for compatible Trane furnace models and gas heating systems. As a critical combustion component, this brass orifice regulates the essential fuel flow to the burner assembly, ensuring the correct gas to air mixture for stable ignition and consistent thermal output. Measuring approximately 5. 7 inches in length, this OEM replacement part provides the exact