York S1-024-39479-000 Pressure Switch 320735-701 Industrial Build Quality: Built to

Industrial Build Quality: Built to withstand the thermal stress of continuous cycle unit heaters in commercial environments

This L150-30-R40 limit switch is designed to open at 150°F and features an automatic reset that closes once the temperature drops by 30°F

reducing common points of mechanical failure and mineral-scaling issues typical of float-style LWCOs

Common Questions: What causes a Fenwal flame sensor to fail

Structural Integrity: Fabricated from thick-gauge steel to handle the high-torque and vibration standards of heavy-duty industrial unit heaters

York S1-024-39479-000 Pressure Switch 320735-701 Industrial Build Quality: Built toThe York S1 024 39479 000 Pressure Switch is an OEM critical safety component specifically calibrated to a 0. 33 WC set point. Designed for precise monitoring of the inducer motor's venting performance, this differential air pressure switch ensures the combustion process only initiates when proper static pressure is maintained. As a direct replacement for S1 024 25975 000, this unit resolves common sequence of operation failures where the circuit