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#Drinkingwaterprotection #FeuerwehrWilli #Firebrigade FEUERWEHRWILLI shows you how to correctly place the standpipe on a UFH. What you should pay attention to and which order you must follow. If you do it wrong, then you are to blame for the contamination of the drinking water network - you don't want that, nobody wants that! Willi wants to help you understand why it is done this way (also according to FwDV1) When do you need a backflow preventer? When do you need a system separator? Is that important? The UVV also plays a big role. Have fun :) Note: This video contains advertising