York S1-025-38888-001 Control 30067439-890 Common Questions & Technical Insights

Common Questions & Technical Insights Is the KH74HP160 compatible with older R-22 systems

including R404A and R134a

Whether you are servicing a residential package unit or a commercial chiller cabinet

stepping down to a consistent 24V secondary output

Hermetic Construction: Solid brass body with a fused glass lens prevents leak paths common in bolted configurations

York S1-025-38888-001 Control 30067439-890 Common Questions & Technical InsightsThe York S1 025 38888 001 High Pressure Switch is an essential safety component designed for commercial HVAC systems and residential split units utilizing R 410A refrigerant. This encapsulated pressure control is engineered for high side protection, featuring a 650 PSI open and 450 PSI close setpoint to prevent compressor damage during high head pressure events. As a direct OEM York replacement part, it ensures precise calibration and reliable