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Vertical Terminations -
• Two 45
elbows equal to one 90
o
•
Vent must be supported at offsets.
• Minimum distance between elbows is 1 ft. (305mm).
• Maintain clearances to combustibles as listed in the "Clearances" section.
• Horizontal vent must be supported every 3 feet.
• Firestops are required at each floor level and whenever passing through a wall.
• Must use optional rigid pipe adaptor (Part# 770-994 when using rigid pipe vent systems)
Vertical Venting with Three (3) 90
One 90
elbow = Two 45
elbows.
o
o
Option
V
H + H1
A)
1' Min.
2' Max
B)
2' Min.
3' Max
C)
3' Min.
4' Max
D)
4' Min.
5' Max
E)
5' Min.
6' Max
F)
6' Min.
7' Max
G)
7' Min.
8' Max
Lengths do not include elbow indicated
Restrictor Set 0 - Factory Setting
"
Rigid/Flex Pipe 5" x 8
elbow. Maximum of six 45
o
o
Elbows
o
V + V1
With these options,
3' Min.
max. total pipe length
4' Min.
is 30 feet with min. of
10 feet total vertical
6' Min.
and max. 8 feet total
horizontal.
7' Min.
8' Min.
Please note min. 1
foot between 90
9' Min.
elbows is required.
10' Min.
elbows allowed.
V1
o
H1
installation
V
H
City Series CV72E |
57
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