York S1-025-50188-000 Pressure Switch 320788-703 When you're out in the

When you're out in the field and need a reliable 3/4 HP furnace blower motor

while the high-contrast terminal designations reduce installation errors during high-stress service calls

making it a versatile HVAC pressure switch alternative for systems where traditional differential pressure switches are difficult to calibrate

Engineered as a resistance temperature detector (RTD)

York S1-025-50188-000 Pressure Switch 320788-703 When you're out in theThe 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