Superior MHW36R Installation And Operation Instructions Manual page 10

USING ELBOW OFFSETS (30E-8DM)
1. To achieve desired offset, you may install
combinations of 12", 18", 24", 36" and 48"
length of double wall pipe (see offset chart
and Figure 12).
OFFSET RISE
A B
4 / " 16 / "
3 3
8 8
9 / " 25 / "
3 1
4 2
12 / " 30 / "
3 3
4 4
15" 34 / "
3
4
18" 40"
21 / " 46 / "
1 1
4 4
23 / " 49 / "
3 1
4 4
27 / " 56 / "
3 3
4 4
30" 60 / "
3
4
33" 66"
36" 71"
38 / " 75"
1
4
41 / " 80 / "
1 1
4 4
45" 86 / "
3
4
46 / " 89 / "
3 1
4 2
51" 97"
53 / " 101"
1
4
56 / " 106 /
1 1
4 4
59 / " 111 /
1 1
4 2
61 / " 115 /
3 1
4 2
64 / " 120 /
3 3
4 4
68 / " 127"
1
4
70" 130"
74 / " 137 /
1 1
4 2
76 / " 141 /
3 1
4 2
79 / " 146 /
3 3
4 4
OFFSET CHART (22-50 FT. SYSTEM HEIGHT)
Screws
A
Figure 12 - Elbow Offset
10
VenTing inSTallaTion
CHIMNEY LENGTH
12" 18" 24" 36" 48"
ELBOW SET ONLY
1
1
1
1 1
1 1
1
1
1
1 1
1 1
1
"
" 1
" 1
" 1
1 1
" 1
" 1
"
B
SuperiorFireplaces.US.com
Continued
2. Chimney weight above offset rests on
return elbow. Straps must be securely
nailed to rafters or joists (see Figure 13,
details A and B).
3. Maximum length of pipe between supports
(return elbow or 12S-8DM) is 6' of angle
run. Maximum of two 6' angle run sections
per chimney system (see Figure 12).
4. All pipe connections between offset and
return must be secured with two screws
on outer pipe only (see Figure 14). Do not
penetrate inner stainless.
1
1
1
1
1
2
Straps
1
2
Angle Firestop
1
1 1
2
2
1 1
Straps
2
2
2 1
Detail A
2
Return Elbow
2 1
Figure 13 - Ceiling Support Pipe
2 1
4
Straps
Detail B
Straps
12S-8DM
See
Detail A
See Detail B
127312-01B