Using this spring in other series will result in incorrect spring rates and potential regulator failure

ensuring the enclosure meets professional job site specifications

contractors can ensure the system meets original manufacturer specifications for fuel regulation and sequence of operation

ensuring linear travel even under high stress

verify that the existing orifice and manifold pressure settings align with the technical specifications of this natural gas burner to ensure safe and reliable ignition across all firing cycles

Trane ORF0516 Orifice 318518-761 Using this spring in otherWhen you're dealing with a residential or commercial gas furnace that isn't reaching its temperature setpoint during peak load, the Trane ORF0516 is the exact #42 High Fire Orifice required to restore proper combustion and gas manifold pressure. This OEM furnace gas orifice is precision machined to regulate fuel delivery in high fire stages, ensuring your burner assembly operates at its peak thermal efficiency. As a veteran grade Trane HVAC