The York S1-5992116 (HS100-388-0028-S) High Pressure Switch is a factory-engineered safety control designed to protect HVAC systems from excessive refrigerant pressure. Operating within a 625?500 PSIG range, this high-quality switch ensures safe compressor shutdown and reliable pressure regulation. Built to OEM standards, it provides accurate performance and long-term durability in York air conditioning and refrigeration applications. Key Features: Genuine OEM York high-pressure switch for reliable system protection. Operates between 625 PSIG (open) and 500 PSIG (close). Designed specifically for refrigerant systems. Ensures safe and efficient compressor operation. Durable and precisely calibrated for long service life. Specifications: Part Numbers: S1-5992116, HS100-388-0028-S Type: High Pressure Switch (Refrigerant) Pressure Range: Opens at 625 PSIG / Closes at 500 PSIG Medium: Refrigerant gas Application: HVAC and refrigeration systems Function: Protects compressor by shutting down system at unsafe pressure levels Manufacturer: York Compatible Models: ACZ036G0901333, B6HX036A25, 2LA0470225, BBUZF048A, ACZ060C1342, ACZ048G0801325, AHP30B4MH21, B1HZ036A06A, ACZ030G0701323, B3HZ048A25, ACZ036G0901343, AC060X1022, and more. Why Choose This Item: The York S1-5992116 High Pressure Switch provides critical system protection by preventing compressor damage due to excessive refrigerant pressure. With precise OEM calibration, rugged design, and dependable operation, it?s the ideal choice for ensuring the long-term safety and efficiency of your York HVAC equipment.