R
Non-return valve/pipe separator
S
Diaphragm expansion vessel, suitable for potable water
Vitocell 100-V and Vitocell 300-V
Connection on the DHW side in accordance with DIN 1988
A
DHW
B
DHW circulation pipe
C
DHW circulation pump
D
Spring-loaded check valve
E
Visible discharge pipe outlet point (tundish)
F
Safety valve
G
Shut-off valve
H
Flow regulating valve
K
Pressure gauge connection
L
Non-return valve
M
Drain
N
Cold water
O
Drinking water filter
P
Pressure reducer
R
Non-return valve/pipe separator
S
Diaphragm expansion vessel, suitable for potable water
Installation — DHW cylinders
(cont.)
DHW heating
VIESMANN
35
5414646
6