It holds the circuit open for approximately 5 minutes after power is removed

ensuring linear travel even under high stress

Why should I replace the ignition wire during a tune-up

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

Trane ORF0516 Orifice 318518-761 It holds the circuit openWhen 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