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installation
Venting Arrangement for Vertical Terminations - Straight Vertical Venting and/or with a Max. of
Two (2) 90
Elbows (1 - 90
o
The shaded area in the diagram shows all allowable combinations
of straight vertical and offset to vertical terminations, using two
elbows, with Rigid Pipe Venting Systems.
90
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.
60
| City Series CC40E-12
= 2 - 45
)
o
o
elbow.
o
0 0
2 2
4 4
4 4 0 0
3 3 8 8
3 3 6 6
3 3 4 4
3 3 2 2
3 3 0 0
Vent Restrictor on Set 3
2 2 8 8
2 2 6 6
2 2 4 4
2 2 2 2
Vent Restrictor on Set 2
2 2 0 0
1 1 8 8
1 1 6 6
1 1 4 4
1 1 2 2
Vent Restrictor on Set 1
1 1 0 0
8 8
*
6 6
4 4
2 2
0 0
*Minimum length of pipe
between elbows 12" (305mm)
Horizontal (Feet)
6 6
8 8
1 1 0 0
1 1 2 2
1 1 8 8
1 1 4 4
1 1 6 6
2 2 0 0
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