York S1-025-22740-000 Pressure Control This prevents erratic relay operation

This prevents erratic relay operation and contact pitting during short-cycling

Is the 450277-001 compatible with R-410A systems

Universal Fuel Compatibility: Rated for use with natural gas

Technicians should use a precision level and ensure all mounting bolts are torqued to spec to prevent the bracket from shifting under load

York S1-025-22740-000 Pressure Control This prevents erratic relay operationThe York S1 025 22740 000 Pressure Control is a critical high limit safety component designed for precise refrigerant management in commercial and residential HVAC systems. Engineered as a Single Pole Single Throw (SPST) switch, this OEM part is calibrated to open the electrical circuit at 325 PSI and automatically close at 225 PSI. This pressure regulation ensures that your compressor and high side components remain within safe operating parameters,