The Liebert 1D15060P1S High Pressure Switch is used to measure pressure in HVAC systems and switches at 360 PSI. This switch is useful for keeping operating conditions safe when equipment can be damaged by high pressure. It is used with Liebert cooling systems and other climates that require an HVAC system and helps to realize performance and functionality. https://www.partshnc.com/1d15060p1s-liebert-360-high-pressure-switch