Side Wall Venting Layouts (Coaxial); Layout With Basic Coaxial Vent Componentry; Standard Sizes Of Boiler Flue Gas Vent Adaptors - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Side Wall Vent Installation (Coaxial)

Side Wall Venting Layouts (Coaxial)

Layout with basic coaxial vent componentry

Fig. 4 Standard side wall venting layout
Table 3. Standard sizes of boiler flue gas adaptors (item 1)
Boiler model
WB1B 26
WB1B 35
WB2B 19
WB2B 26
WB2B 35
WB2B 45
WB2B 60
WB2B 80
WB2B 105
14
For 80, 105 models only
Transition 110/150 > 100/150 M&G Duravent
Transition 110/150 > 110/160 Centrotherm
Adaptor Size
60 / 100
60 / 100
60 / 100
60 / 100
60 / 100
80 / 125
80 / 125
110 / 150
110 / 150
Rigid Venting Systems Installation Instructions
Max. wall thickness
19.6 in. (500 mm)
1 Vent pipe adaptor
2 Transition adaptor for 80 /105 models
M&G Duravent 110/150 > 100/150
or InnoFlue Centrotherm 110/150 > 110/160
3 Elbow, 87º
4 Straight pipe
5 Vent termination (incl. wall flashings)
IMPORTANT
Total length of vent termination pipe may be shortened,
if required. Follow manufacturer's instructions.
6 Protective screen
WARNING
Protective screen MUST be installed.
7 Mounting clip (vent support system)
A Combustion air intake
B Flue gas outlet