The York S1-5992122 (HS100-388-0543-S) Pressure Control Switch is a high-pressure control used in refrigeration and air conditioning systems to maintain safe and reliable operation. Designed to monitor system discharge pressure, it automatically opens or closes electrical circuits when pressure limits are reached. This control is factory-calibrated for precision and built with durable components to withstand demanding HVAC conditions, ensuring system protection and performance. Key Features: Genuine York OEM pressure control switch. Automatic reset high-pressure protection. Designed for refrigeration and air conditioning systems. Ensures compressor and system safety by preventing overpressure. Factory-calibrated for 625 PSI cut-out / 500 PSI cut-in. Compact and durable construction for extended service life. Easy installation with standard electrical connections. Specifications: Part Numbers: S1-5992122 / HS100-388-0543-S Type: High-Pressure Control Application: Refrigeration / HVAC Pressure Range: 625 PSI (cut-out) / 500 PSI (cut-in) Reset Type: Automatic Mounting: Standard fitting for York systems Manufacturer: York (Johnson Controls) Compatible Models (short list): BAUHF036F B2HP042A25 BBUPW030A B2HZ024A06 B2HP048A58 BAUAW036A BBUPW042A B2HP042A06 BBUZF024A B4CH036A25 and more. Why Choose This Item: The York S1-5992122 Pressure Control provides accurate, dependable protection for refrigeration and air conditioning systems. As a factory-authorized OEM part, it guarantees compatibility, performance, and safety ? ensuring optimal system reliability and longevity in demanding commercial and residential HVAC environments.