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5608 741 - 04
Vitodens Rigid and Flex Venting Systems Installation
Direct Venting (Two-pipe System)
Component Parts of the Venting System - Stainless Steel
Termination Coupling with Screen
Termination Elbow with Screen 90° or 45°
Termination Tee with Screen
Termination Hood with Screen
Vent Requirements - Stainless Steel
(continued)
Maximum equivalent length Vitodens 100-W / 200-W WB2B and B2HA / 222-F B2TA Series
(horizontally or vertically vented)
Boiler model
Stainless Steel Vent Diameter
3 in.
4 in.
5 in.
WB1B 26, 35
ft.(m)
164 (50)
200 (61)
--
WB2B 19, 26, 35, B2HA 19, 35, B2TB 19, 35
B2HA 19, 28, 35, B2HB 19, 26, 35,
ft.(m)
148 (45)
180 (55)
--
WB2B 45, 60, B2HA 45, 60, B2HB 45, 57
ft.(m)
98 (30)
148 (45)
--
WB2B 80, 105, B2HA 80, 88, 100, 112
ft.(m)
--
131 (40)
--
B2HA 150
ft.(m)
--
131 (40)*
1
131 (40)*
2
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.
*
2
4 in. to 5 in. increaser field supplied