York S1-025-38888-001 Control 318973-401 ensuring precise gas flow to

ensuring precise gas flow to the burner

while the low side opens at 0

Enhanced Diagnostics: Integrated system diagnostic LED provides clear flash codes for rapid troubleshooting

Standard Connectivity: Features a 1/4" barb connection for straightforward installation with common HVAC pressure tubing

delivering positive dead-end lock-up to protect downstream equipment

York S1-025-38888-001 Control 318973-401 ensuring precise gas flow toThe 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