Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual page 61

Rigid Venting Systems Installation Instructions
Component Parts of the PP(s) Venting System
Horizontal pipe system
Fig. 62
(continued)
Legend
A Combustion air intake
B Flue gas outlet
1 Boiler vent pipe adaptor
2 Double pipe adaptor
3 Air intake adaptor (PVC, CPVC, ABS)
4 PP(s) adaptor (WB2B 105 only with
M&G system).
5 90º elbows
6 Combustion air intake straight pipe
7 Straight vent pipe
8 Pipe support
9 Wall plate
qP Bird screen
qQ Wall strap with locking band at each
joint, as supplied by manufacturer.
IMPORTANT
For PP(s) systems, all exhaust vent and air intake piping
and elbows exposed outside, must be UV resistant
polypropylene (supplied by the vent manufacturer).
Componentry
61