Option for temperature control in the bath. External open and closed circuits can be tempered by means of an integrated suction and pressure pump (exception: model U 20 M only has an integrated pressure pump). Colour 5-inch TFT display with menu navigation in several languages (DE, ES, FR, EN, IT) Suction and pressure pump with eight adjustable capacity levels and adjustment of the pump capacity during operation ( exception : model U 20 M is not equipped with a suction pump, only a pressure pump) Integrated programmer, five programs with max. 150 segments (ramp function) Weekly timer for switching the thermostat on and off at a specific time With Ethernet and USB interface and interface for an external Pt 100 temperature sensor (if required, order the temperature sensor separately) Excess and low-level protection and adjustable overheating protection with audible alarm III (FL) = flammable liquids Bath/circulation thermostat Universa MAX series Delivery incl. bath tub, bath cover, cooling coil and hose connectors with ID 13 mm.