Maximum Vent Length With Increasers (Vitodens 100-W) - Viessmann Vitodens 100-W WB1A-24 Installation Instructions Manual

Side Wall Vent Installation
Vent Length Requirements
Maximum vent length with increasers (Vitodens 100-W boiler)
Coaxial increaser
for system 60/100 to 100/150
Coaxial increaser
for system 60/100 to 80/125
Vitodens 100-W, WB1A
Models 8-24, 8-30
Fig. 13
Vitodens 100-W boiler with increasers
Maximum vent length with increaser (Vitodens 200-W boiler)
Fig. 14
Vitodens 200-W boiler with increaser
Minimum vent length
22
(continued)
a
a
Coaxial increaser
for system 80/125 to 100/150
Vitodens 200-W, WB2
Models 6-24C, 6-24, 8-32
The minimum equivalent vent length
for all models is 19"/483 mm (length
of the vent termination when cut to the
minimum permissible length).
Please note that the first 87º elbow on
boiler is not included in equivalent
length calculation.