Lennox 63W56 Pressure Switch Els PW 29614 provided the jackshaft diameter does

provided the jackshaft diameter does not exceed 1/2"

While the threading may appear similar to other European patterns

providing a tight friction fit for standard control lines

This Trane part is standard for RTAA and RTAB air-cooled screw chiller units

protecting compressor windings and motor circuits from catastrophic failure

Lennox 63W56 Pressure Switch Els PW 29614 provided the jackshaft diameter doesThe Lennox 63W56 Pressure Switch is a dual stage combustion air prover designed for precise draft monitoring in high efficiency gas furnaces. This SPST normally open switch features dual setpoints of 0. 35" WC and 0. 60" WC, facilitating the sequenced operation required for two stage heating cycles. Engineered as a direct OEM replacement part, it ensures the inducer motor maintains proper static pressure before allowing the ignition sequence to