Models ATX Suitable for use in general refrigeration, air-conditioning systems, and hot gas defrost systems. Max. allowable pressure: 3.3 MPa {33 kgf/cm2} Max. temperature of body: 80°C. Max. temperature of sensing bulb: 40°C. Adjustable range of static superheat: 0 to 13°C. Rugged Diaphragm element : Best for heat pump units Suitable for R410A refrigerant