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installation
Venting Arrangement for Vertical Terminations
Vertical Venting with straight Vertical venting and or with a max. of two (2) 90
The shaded area in the diagram shows all allowable combinations
of straight vertical and offset to vertical terminations, using two
90
elbows, with Rigid Pipe Venting Systems.
o
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# 510-994) when
using rigid pipe vent systems.
•
Refer to the "Vent Restrictor Position" section for details on
how to change the vent restrictor from the factory setting
of Set 0 through to Set 3 if required.
| City Series
36
elbow.
o
between elbows 12" (305mm)
2
4
0
40
38
36
34
32
30
Vent Restrictor on Set 3
28
26
24
22
Vent Restrictor on Set 2
20
18
16
14
12
10
8
6
4
2
0
Minimum length of pipe
Elbows (1 - 90
o
o =
Horizontal (Feet)
8
6
10
12
Vent Restrictor on Set 1
2 - 45
)
o
14
18
16
20
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