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

Rigid Venting Systems Installation Instructions
Vent Requirements - Stainless Steel
Additional requirements for stainless steel vent pipe
material (continued)
Table 18. Parallel adaptor for two-pipe system
Supplier Boiler Model
Viessmann WB2B 45, 60
g
WB2B 80, 105
g
Parallel vent pipe starter adaptors for WB2B 45, 60
C
B
Legend
A Air intake, max. insertion 2½ in. (64 mm) (use sheet
metal screws to hold in place)
B Viessmann parallel adaptor
C Stainless steel slip joint vent starter adaptor
Fig. 34
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)
A
Air
Flue
Direct Venting (Two-pipe System)
(continued)
Ø in. (mm)
3 (76) (see a in fig. 34)
4 (102) (see a in fig. 35)
Parallel vent pipe starter adaptors for WB2B 80, 105
C
B
Legend
A Air intake, max. insertion 2½ in. (64 mm) (use sheet
metal screws to hold in place)
B Viessmann parallel adaptor
C Stainless steel slip joint vent starter adaptor
Fig. 35
4 in. (100 mm)
b 5d in. (130 mm)
c 9e in. (237 mm)
d 12 7 / in. (327 mm)
16
e 5½ in. (140 mm)
Quantity
A
Flue Air
1
1
41