Connection sets (for upward connection) for installation on fin-
ished walls
Connection set without premounting bracket, part no. 7351 720
1677
1726
55
220
330
A
C
E
D
B
A
C
E
D
B
50
A
Heating flow R ¾
B
DHW R ½
C
DHW circulation R ½ (separate accessory)
D
Cold water R ½
E
Heating return R ¾
Connection set with premounting bracket for pre-assembly in
unfinished buildings, part no. 7354 276
1640
1680
1773
A
C
E
D
B
55
220
330
A
C
E
D
B
50
A
Heating flow R ¾
B
DHW R ½
C
DHW circulation R ½ (separate accessory)
D
Cold water R ½
E
Heating return R ¾
Note
The adjustable feet give the height measurements of the connections
a tolerance of + 15 mm.
For connection from below of the on-site lines on the heating water
and DHW side.
Connection set comprising:
■ Connection bracket (only for part no. 7354 276)
■ Connecting pipes
■ Shut-off valves for heating water flow and return with boiler drain &
fill valve
■ 2 connectors for DHW
Design information
(cont.)
VITOLADENS 300-W
/
VITOLADENS 333-F
VIESMANN
45
5822 425 GB
5
