Parallel Adaptor For Two-Pipe System - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Rigid Venting Systems Installation Instructions
Vent Pipe Starter Adaptors - PP(s)
Parallel vent pipe starter adaptors for WB2B 45, 60
If using PP(s)
for combustion
air, CPVC
adaptors are
not required
Legend
A Air intake, max. insertion 2½ in. (64 mm)
B Viessmann parallel adaptor or Centrotherm parallel
adaptor
C Air intake starter adaptor for PVC, CPVC and ABS only.
80 mm to 3 in. (if using PP(s) for combustion air
intake system, an adaptor is not required).
Flue
Flue
Fig. 45
Legend
a 3 in. (76 mm)
b 2¾ in. (70 mm)
c 7 in. (178 mm)
d approx. 10¾ in. (271 mm)
e 4¾ in. (120 mm)
f 80 mm *
* For exhaust system Ø of 4 in. (100 mm), an increaser
adaptor 3 in. to 4 in. (80 mm to 100 mm) must be used.
Table 23 Parallel adaptor for two-pipe system
Supplier
Viessmann
Air
Air
Boiler Model
WB2B 45, 60
g
WB2B 80, 105
g
Direct Venting (Two-pipe System)
(continued)
Parallel vent pipe starter adaptors for WB2B 80, 105
Legend
A Air intake, max. insertion 2½ in. (64 mm)
B Viessmann parallel adaptor
C PP(s) slip joint transition adaptor (110 mm to 100 mm)
only required if M&G system is used
D Air intake starter adaptor for PVC, CPVC and ABS,
when using PP(s) system 110 mm to 100 mm, a
transition adaptor is required.
Fig. 46
Legend
a 4 in. (100 mm)
b 5d in. (130 mm)
c 9e in. (237 m)
d approx. 12 7 / in. (327 mm)
8
e 5½ in. (140 mm)
f 100 mm
Ø in. (mm)
3 (80)
4 (110)
Air
Flue
Flue Air
Quantity
1
1
49