Boiler Connections With Pps System; Vent Pipe Starter Adaptors - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Rigid Venting Systems Installation Instructions

Boiler Connections With PPs System

Vent pipe starter adaptors for WB1B 26, 35, WB2B 19,
26, 35 and WB2B 80, 105
This boiler adaptor is shown (pre-installed) for models
WB1B 26, 35 and WB2B 19, 26, 35
PP(s) vent component fits directly into the boiler adaptor
Fig. 76
WARNING
(For this type of installation only:)
Boiler comes with pre-installed combustion air cover
mounted on the concentric vent pipe adaptor. Do not
remove combustion air intake cover. Removing this cover
may cause unintended room air dependent operation
(non-direct vent). Room air dependent operation requires
provision of combustion and ventilation air (as per
section "Single Pipe Venting", p.age 62.
Single Pipe Venting (Room Air Dependent)
This boiler adaptor is shown (pre-installed) for models
WB2B 45, 60
PP(s) vent component fits directly into the boiler adaptor
This boiler adaptor is shown installed with a required
transition adaptor for models WB2B 80, 105 (required
only if using M&G/Duravent system).
Centrotherm PP(s) vent component fits directly into the
boiler adaptor.
Legend
a 2¾ in. (70 mm)
b 2b in. (64 mm)
c 7b in. (191 mm)
75