8
To achieve desired offset, you may install combinations of
12,18,36, or 48 inch lengths of double wall pipe (see
figure
20
and
Rise and Offset Chart
).
RISE AND OFFSET CHART
A
B 48
36
18
12
4 3/8
16 3/8
9 1/2
25 1/4
1
12 1/2
30 3/8
1
14 3/8
34
2
17 5/8
39 1/4
1
1
21 1/2
46
1
22 3/4
48 1/8
1
2
26 3/8
54 7/8
1
26 3/8
60
1
1
31 3/4
63 3/4
1
1
34 3/4
69
1
1
38 5/8
75 5/8
2
39 7/8
77 7/8
1
1
1
43 3/4
84 1/2
1
1
46 3/4
87 3/4
2
1
48 7/8
93 3/8
2
Maximum length of pipe between supports is
6 feet of angled
run.
A maximum of
two 6 foot angled run sections per
chimney system
(see figure
21
).
FINISHING YOUR CHIMNEY SYSTEM
IMPORTANT:
If an exposed portion of chimney is
greater than 4 feet above the roof line,
use support wires to
keep chimney secure.
The support wires may be attached to
the outer pipe of the chimney with screws, provided the
screws do not penetrate the inner flue pipe.
WARNING:
DO NOT OPERATE AN UNVENTED GAS
LOG SET IN THIS FIREPLACE WITH THE CHIMNEY
REMOVED.
Figure 21
All Joints between
offset should be secured
with two screws, only on
the outer pipe, and shall
not penetrate the inner
stainless.
Figure 20
Figure 22
10 FOOT RULE
All chimney termination must extend a
minimum of 3
feet above the highest point where it passes through the
roof
and must be at least
2 feet above the roof within a
10 foot horizontal span
(see
figure 22
).
