CB40E Gas Fireplace
VERTICAL TERMINATIONS
RIGID PIPE 4" X 6-5/8
"
• Two 45
o
elbows equal to one 90
o
elbow. Maximum of six 45
o
elbows allowed, not including the starting 45
o
elbow at the flue collar.
• 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
)
Vertical Venting with Three (3) 90
o
Elbows
One 90
o
elbow = Two 45
o
elbows.
V
H1
H
V1
Option
V
H + H1 V + V1
With these options,
max. total pipe length
is 30 feet with min. of
10 feet total vertical
and max. 8 feet total
horizontal.
Please note min. 1
foot between 90
o
elbows is required.
A)
1' Min.
2' Max
3' Min.
B)
2' Min.
3' Max
4' Min.
C)
3' Min.
4' Max
6' Min.
D)
4' Min.
5' Max
7' Min.
E)
5' Min.
6' Max
8' Min.
F)
6' Min.
7' Max
9' Min.
G)
7' Min.
8' Max 10' Min.
Lengths do not include elbow indicated
