Steel - Viessmann Vitodens 200-W WB2B Series Installation Instructions Manual

Vitodens Rigid and Flex Venting Systems Installation
Vent Requirements - Stainless Steel
Maximum equivalent length Vitodens 100-W / 200-W WB2B and B2HA / 222-F B2TA Series
(horizontally or vertically vented)
Boiler model
WB1B 26, 35
WB2B 19, 26, 35, B2HA 19, 35, B2TB 19, 35
B2HA 19, 28, 35, B2HB 19, 26, 35,
WB2B 45, 60, B2HA 45, 60, B2HB 45, 57
WB2B 80, 105, B2HA 80, 88, 100, 112
B2HA 150
Note: For combination of different vent/air intake pipe diameters, such as Ø 3 in. stainless steel vent with Ø 2 in. (CVPC, PVC,
ABS) air intake pipe, the total equivalent length must be used for the smaller pipe diameter. See tables starting on page 43.
* 1 There is an input reduction of 9% for model B2HA 150 when a 4 in. diameter vent pipe is used.
4 in. to 5 in. increaser field supplied
* 2
Component Parts of the Venting System - Stainless Steel
Termination Elbow with Screen 90° or 45°
Termination Tee with Screen
Direct Venting (Two-pipe System)
(continued)
Stainless Steel Vent Diameter
3 in.
ft.(m) 164 (50)
ft.(m) 148 (45)
ft.(m) 98 (30)
ft.(m) --
ft.(m)
--
Termination Coupling with Screen
Termination Hood with Screen
4 in. 5 in.
--
200 (61)
--
180 (55)
--
148 (45)
--
131 (40)
131 (40)* 1 131 (40)* 2
37