The technical regulations for drinking water installations currently consist of the European standards DIN EN 806 and DIN EN 1717, as well as the national supplementary standards of DIN 1988 for planning, execution, and operation. To help users better understand this new complex concept of European and national regulations, comments on the individual standards are published for ease of use. This commentary on DIN 1988-600 provides detailed guidance on complying with the fundamental protective goals of fire prevention and drinking water hygiene. The standard text is explained section by section, with numerous images, diagrams, and examples facilitating practical implementation.