Viessmann VITODENS 200-W Technical Data Manual page 48

Appendix
Stainless Steel Vent System
1
Vent System
Horizontally Vented
Room Air
Independent Operation Independent Operation
b
a
48
B
A A
A A
Combustion Air Intake Combustion Air Intake
B
Flue Gas Outlet
Vent System Diameter
Maximum Equivalent
WB2B
Length (EqL) a + b
1 Boiler Vent Adaptor
2 Adaptor, for stainless steel
60/100 to 80/125
(outer shell removed)
3 Adaptor(s), stainless steel
80mm to 3"
3" to 4"
(not shown)
4 Venting Support 2
5 ULC/UL listed Stainless Steel Vent
1
for EqL calculations, use:
Material
H 45° Elbow EqL=2ft. / 0.6m
H 90° Elbow EqL=3ft. / 0.9m
6 Adaptor(s), CPVC
60mm to 2"
7 2" to 3" or 2" > 4"
8 Combustion Air Intake Vent Material
Allowable materials: see note below
9 Bird Screen c/w Termination
for stainless steel
Diameter
3" 4"
-19...-35 -19...-35
148 / 45 180 / 55 ft. / m
included with boiler
Order No.
7424 112
field field
supplied supplied
and
field
—
supplied
field supplied
field supplied
Order No.
7134 769
field supplied
field supplied
3
field supplied