Appendix
(cont.)
DVGW G 260
DVGW G 600
DVGW G 688
8
DVGW/DVFG
DVGW VP 113
VDI 2035
VdTÜV 1466
VDE regulations and the special regulations of local power supply utilities
VIESMANN
66
Gas condition
Technical rules for gas installations (TRGI)
Gas consumption equipment, condensing technology
Technical rules for LPG (TRF)
Systems comprising combustion equipment and flues
Prevention of damage in water heating installations - scale formation in DHW supply installations and wa-
ter heating installations
Water quality datasheet
VITODENS