DIN 1988-100:2011 Codes of practice for drinking water installations - Part 100: Protection of drinking water, drinking water quality control; DVGW code of practice
DIN 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
DIN 1988-300:2012 Codes of practice for drinking water installations - Part 300: Pipe sizing; DVGW code of practice
DIN 1988-500:2011 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice
DIN 1988-600:2010 Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations; DVGW code of practice
DIN 4741-1:1984 Ventilation plants; polypropylene (PP) pipes; calculation of the minimum wall thickness
DIN 4757-2:1980 Solar heating plants operating on organic heat transfer media; Requirements relating to safe design and construction
DIN 4807-1:1991 Expansion vessels; terminology, relevant legal regulations; testing and marking
DIN EN 1717:2001 Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow