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this manual reset limit switch serves as a critical safety component to protect blowers and heat exchangers from thermal damage
15" WC Calibration: Ensures accurate sensing of air pressure and exhaust flow to satisfy safety interlocks
Front Desk Control Ready: Optimized for hospitality settings requiring centralized energy management system (EMS) or front desk controller connectivity
Always cross-reference the original part number on the existing relay to ensure the trip rating matches your specific compressor requirements
Why is my one-pipe thermostat failing to regulate branch pressure
York S1-025-17620-702 Pressure Control Els PW 17895 this manual reset limit switchThe York S1 025 17620 702 Pressure Control is a critical high pressure safety cut out designed for precision monitoring in residential and commercial HVACR systems. Built for the rigors of field service, this OEM York replacement part features a fixed setpoint of 398 PSI Open and 310 PSI Close, ensuring the compressor is protected from excessive head pressure. When system pressures exceed safe operating limits, the switch breaks the control circuit to
