Coaxial Increaser - Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual

Rigid Venting Systems Installation Instructions
General Installation Information
Additional requirements for stainless steel vent pipe material
(continued)
Table 33 Coaxial increaser [min. stainless steel pipe diameter is 3 in. (76 mm)]
The PP(s) increaser is required for the following boiler models.
Supplier Boiler Model
Viessmann WB1B 26, 35, WB2B 19, 26, 35
g
Fig. 66 Boiler models Vitodens 200-W WB2B 45, 60, 80,
105
Legend
A Stainless steel slip joint vent starter adaptor
Fig. 68 Coaxial boiler vent pipe connection
Single Pipe Venting (Room Air Dependent)
(continued)
PP(s) increaser
(60 to 80 mm) Part # 7440183
Remove and discard cover B if
used in addition to annular air gap
Fig. 67
Legend
A Optional opening for combustion air intake
B Air Intake Cover
Legend
A Combustion air
B Flue gas
Quantity
1
71