Vertical Vent Termination; Vent System Dimensions - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Direct Venting (Two-pipe System)
Component Parts of the Venting System

Vertical vent termination

Fig. 29 Coaxial vent termination
Legend
A Combustion air intake
B Flue gas outlet
32
Rigid Venting Systems Installation Instructions
(continued)
Dimensions vent system
Boiler model
WB1B 26,35
WB2B 19, 26, 35
WB2B 45, 60
WB2B 80, 105
M&G / Duravent
WB2B 80, 105
InnoFlue
Contact vent manufacturers for wall band and mounting
clip brackets.
a b
in. (mm) in. (mm)
2.4 (60) 4 (100)
3 (80) 5 (125)
4 (100) 6 (150)
4.3 (110) 6.3 (160)