York S1-025-50188-000 Pressure Switch 322838-753 The SPDT terminals allow for

The SPDT terminals allow for "break on rise" or "make on rise" configurations

or 90-degree positions

typical for humidifier control

lock washer

5-ton coil

York S1-025-50188-000 Pressure Switch 322838-753 The SPDT terminals allow forThe York S1 025 50188 000 is an OEM high pressure switch engineered for critical system protection in residential and commercial HVAC equipment. Traditionally found in R 410A systems, this normally closed switch monitors head pressure to prevent compressor damage and mechanical failure. It features a factory calibrated 650 PSI cut out threshold, which opens the electrical circuit when internal pressures exceed safe limits, and a 450 PSI cut in reset