ICC basic Compact Hanging Thermostat Compact immersion circulator ICC basic for liquid tempering in open or semi-open bath vessels up to a temperature of 150 ° C. The integrated pressure and suction pump allows the use for internal or external applications. Optionally, a cooling coil can be connected to the device for temperature control below or near the ambient temperature. The ICC is the first thermostat in its class that can be conveniently transported using the convenient carrying handle and securely stored by the integrated stand.