Horizontal Terminations - 5" X 8" (127 mm x 203 mm) Rigid or Flex Pipe
The diagrams below show examples of horizontal termination arrangements using one, two, or three 90
1. A maximum of three 90
elbows are permitted.
o
2. Minimum distance between elbows is 1 ft. (305 mm).
•
Maintain clearances to combustibles as listed in the "Clearances" section.
•
Horizontal vent must be supported every 3 feet (0.9 m).
•
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.
•
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 (3 m) - otherwise, rigid venting must be used.
Horizontal Venting with Two 90
One 90
elbow = two 45
o
Option
V (min.)
A)
3' (914 mm)
B)
4' (1.2 m)
C)
5' (1.5 m)
D)
6' (1.8 m)
Restrictor Set 0 - Factory Setting
Horizontal Venting with Three 90
One 90
elbow = two 45
o
Option
V
(min.)
(max.)
A)
2' (610 mm) 2' (610 mm)
B)
3' (0.9 m)
2' (610 mm)
C)
4' (1.2 m)
3 (0.9 mm)
D)
5' (1.5 m)
4' (1.2 m)
E)
6' (1.8 m)
5' (1.5 m)
F)
7' (2.1 m)
6'(1.8 m)
Restrictor Set 0 - Factory Setting
H1
Elbows
o
elbows.
o
H + H1 (max.)
With these options, maximum total pipe length is 30 feet
(9.1 m) with minimum of 6 feet (1.8 m) total vertical pipe
4' (1.2 m)
and maximum 8 feet (2.4 m) total horizontal pipe.
5' (1.5 m)
A minimum of 1 ft. (610 mm) is required between
6' (1.8 m)
all 90
8' (2.4 m)
Elbows
o
elbows.
o
H
V + V1
H + H1
(min.)
(max.)
5' (1.5 m)
3' (0.9 m)
7' (2.1 m)
5' (1.5 m)
9' (2.7 m)
6' (1.8 m)
10' (3 m)
7' (2.1 m)
11' (3.4 m)
8' (2.4 m)
12' (3.7 m)
9' (2.7 m)
elbows.
0
With these options, maximum
total pipe length is 30 feet (9.1
m) with minimum of 12 feet
(3.7 m) total vertical pipe and
maximum 9 feet (2.7 m) total
horizontal pipe.
A minimum of 1 ft. (610 mm)
is required between all 90
elbows.
V
(Non Power Vent)
elbows (two 45
elbows equal one 90
o
o
0
H1
V1
City Series CP60E |
installation
elbow).
o
H
V
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