CB40E Gas Fireplace
VENTING ARRANGEMENT FOR VERTICAL TERMINATIONS
Vertical Venting with straight Vertical venting and or with a max. of two (2) 90
o
Elbows (1 - 90
o =
2 - 45
o
)
The shaded area in the diagram shows all allowable combinations
of straight vertical and offset to vertical terminations, using two
90
o
elbows, with
Rigid Pipe Venting Systems
.
Two 45
o
elbows equal to one 90
o
elbow.
• 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.
NOTE: A minimum of 1' (305mm) vertical off the top of
the unit is required before any horizontal runs can start.
Maximum: 37 ft. (1
1.2m)
Minimum 8’6” (2.6m)
Min. 56-1/4” (1429mm)
Minimum length of pipe
between elbows 12” (305mm)
Maximum: 27 ft. (8.2m)
0
2
4
6
40
8
10
12
14
16
18
20
22
24
26
28
30
Vertical Height (Feet)
32
34
36
38
6
8
Horizontal (Feet)
2
0
4
10
12
16
18
14
20
Vent Restrictor on Set 2
Vent Restrictor on Set 3
Vent Restrictor on Set 1