CIRCON - intelligent circulation pump controller Electronic circulation controller to control the hot water circulation pump, including all necessary accessories, installation material and operating instructions. Swiss version The circulation pump in your drinking water system ensures that hot water is always available from every tap, even if it is not needed. This will cause a lot of energy to be lost. CIRCON is a circulation pump ballast that ensures maximum savings, maximum convenience and excellent drinking water hygiene. Each and every hot water circulation pump is rounded off by comprehensive diagnostic functions to become a smart, self-learning and energy-saving pump.