There may be a leak in the pipeline system. Connected tapping points or cisterns may still be running. Have the pipe system pressure-tested by a specialist company.
Enhance your knowledge
Find out how to get reduced energy consumption, increased comfort and unsurpassed operational reliability for your application. Read our customers' stories about how they benefit from the Grundfos approach to intelligence, water and energy, or search Grundfos research & insights for more learning materials, articles, white papers, videos and much more that benefit your solution.