Horizontal Terminations
The diagrams below shows examples of horizontal termination arrangements using one, two, or three 90
1. A maximum of three 90
o
2. 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# 510-994) when using rigid pipe vent systems.
•
A vent guard should be used whenever the termination is lower than the specified minimum or as per local codes.
•
Flex system can only be used up to 10 feet - otherwise rigid venting must be used.
Horizontal Venting with Two (2) 90
One 90
elbow = Two 45
o
Option
V
H + H1
A)
1' Min.
2' Max.
B)
2' Min.
4' Max.
C)
3' Min.
5' Max.
D)
4' Min.
6' Max.
E)
5' Min.
7' Max.
F)
6' Min.
8' Max.
Restrictor Set 0 - Factory Setting
- Rigid/Flex Pipe 4" x 6-5/8"
elbows are permitted.
Elbows
o
elbows.
o
W i t h t h e s e o p t i o n s ,
maximum total pipe length
is 30 feet with minimum
of 6 feet total vertical
and maximum 8 feet total
horizontal.
Please note minimum
1 foot between 90
elbows is required.
Horizontal Venting with Three (3) 90
Option
A)
1' Min.
B)
1' Min.
C)
2' Min.
D)
3' Min.
E)
4' Min.
o
F)
5' Min.
G)
6' Min.
H)
7' Min.
Restrictor Set 0 - Factory Setting
elbows (two 45
elbows equal one 90
o
o
One 90
elbow = Two 45
o
V
H
V + V1
H + H1
1' Max.
2' Min.
2' Max.
2' Max.
3' Min.
3' Max.
2' Max.
5' Min.
4' Max.
2' Max.
7' Min.
5' Max.
3 Max.
9' Min.
6' Max.
4' Max. 10' Min.
7' Max.
5' Max. 11' Min.
8' Max.
6' Max. 12' Min.
9' Max.
City Series CV40E-12 |
installation
elbow)
o
Elbows
o
elbows.
o
With these options,
max. total pipe
length is 30 feet with
min. of 12 feet total
vertical and max. 9
feet total horizontal.
Please note min.
1 foot between
90
elbows is
o
required.
47
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