Installation guide

Side Wall Vent Installation (Coaxial)

Vent Length Requirements (continued)

Maximum vent length w ith increasers

Minimum vent length

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.

5368 815 v2.0 b

Coaxial increaser for systems

60/100 to 100/150, 60/100 to 80/125

and 80/125 to 100/150

Vitodens 100-W, WB1B and

Vitodens 200-W, WB2B

Fig. 15 Vitodens 100-W WB1B and 200-W WB2B boilers with increasers

Vent length “a”