DIN EN 806-2:2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design; German version EN 806-2:2005
2012DIN 1988-200:2012 Codes of practice for drinking water installations - Part 200: Installation Type A (closed system) - Planning, components, apparatus, materials; DVGW code of practice
2005DIN EN 806-2:2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design; German version EN 806-2:2005
2005DIN EN 806-2:2005 Specification for installations inside buildings conveying water for human consumption - Part 2: Design; German version EN 806-2:2005