Viessmann VITODENS 050-W Technical Manual page 39

Design information
Valves/fittings for surface mounting
With valves/fittings and gas shut-off valve R ¾ with integral, ther-
mally activated safety shut-off valve
A B
D
E
F
G
H
O K
Illustration shows a gas condensing combi boiler
Vitodens
A
Pre-plumbing jig
B
Compulsory in conjunction with DHW cylinders below the
C
boiler, otherwise recommendation only
Heating flow R ¾ with pressure gauge and air vent valve
D
VITODENS
(cont.)
F F
Cold water R ½
E
Gas connection R ¾
F
DHW R ½
G
Heating return R ¾ with boiler drain & fill valve
H
OKFF Top edge, finished floor
5
VIESMANN
39