Circulation pump with control thermostat Maintenance-free wet-running pump for circulating drinking water with max. 9 W power consumption. Electronically commutated, shaftless permanent magnet ball motor with self-adjusting bearing. Adjustable control thermostat, automatic venting function and LED operating display. The thermal insulation shell, timer and check valve are included. Control thermostat 20 degrees C - 70 degrees C, max. system pressure 10 bar, electrical connection 230 V, 50 Hz, protection class IP 44