Single Wall Venting (Room Air Dependent)
66
General Installation Information
(continued)
Additional requirements for stainless steel vent pipe material
(continued)
Table 44. Coaxial increaser
(min. stainless steel pipe diameter is 3” / 76mm)
Supplier
Boiler Model
Coaxial increaser,
Part Number
Ø inches
mm
Qty.
Viessmann
H
WB1A 8-24, 8-30
7176765
(see Fig. 49)
2 to 3
60 to 80
1
Coaxial increaser
for WB1A 8-24, 8-30
Part No. 7176765
Legend
Boiler adaptor
Coaxial increaser, 60/100, 80/125
(2” to 3”)
3” diameter stainless steel starter
adapter (max. insertion 2½” /
64mm)
a
6.93” / 176mm
b
8.82” / 224mm
c
6.25” / 159mm
d
10.34” / 263mm
Starter adaptor
for WB2 6-24C, 6-24, 8-32, 11-44,
and 15-60
Legend
Boiler adaptor
Stainless steel starter adaptor
(max. insertion 2½” / 64mm)
a
6½” / 165mm
5
2
8
5
2
6
8
v
3
.8
Fig. 49
a
d
c
b
Flue
Combustion
air
Fig. 50
Flue
Combustion
air
a
Содержание Vitodens 100-W WB1A-24
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