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5608 741 - 04
Vitodens Rigid and Flex Venting Systems Installation
Direct Venting (Two-pipe System)
Parallel Adaptor
Parallel adaptor for two-pipe system
Supplier
Boiler Model
Ø in. (mm)
Quantity
Viessmann or
Centrotherm InnoFlue
WB2B 45, 60
B2HA 45, 60
B2HB 45, 57
3 (80)
(see ‘a’ in illustration below)
1
Viessmann
WB2B 80, 105
B2HA 80, 88, 100, 112, 150
4 (110)
(see ‘a’ in illustration below)
1
Parallel vent pipe starter adaptors for WB2B 45, 60, 80, 105,
and B2HA 45, 60, 80, 88, 100, 112, 150. B2HB 45, 57
Legend
for 80, 105
A
Air intake, max. insertion 2
b
in. (64 mm)
B
Viessmann parallel adaptor
C
Slip joint vent starter / transition adaptor 4
e
to 4 in.
(110 to 100 mm) only required if M&G / Duravent
system is used
D
Viessmann CPVC adaptor
a 4 in. (100 mm)
b 5
d
in. (130 mm)
c 9
e
in. (237 mm)
d 12
7
/
8
in. (327 mm)
e 5
b
in. (140 mm)
Legend
for 45, 60
A
Air intake, max. insertion 2
b
in. (64 mm)
B
Viessmann or Centrotherm parallel adaptor
C
Used only on WB2B 80, 105, B2HA 80, 88, 100,
112,
150
D
Viessmann CPVC adaptor
a 3 in. (80 mm)
b 2
c
in. (70 mm)
c 7 in. (178 mm)
d Approx. 10
c
in. (271 mm)
e 4
c
in. (120 mm)
Flue
Air