Vexar C42MW - Page 9

www.fmiproducts.com
108919-01H 9
Figure 11 - Elbow Offset
B
A
Screws
Figure 10 - Ceiling Support Pipe 12S-8DM
OFFSET RISE CHIMNEY LENGTH
A B 48" 36" 24" 18" 12"
4
3
/
8
" 16
3
/
8
" ELBOW SET ONLY
9
3
/
4
" 25
1
/
2
"1
12
3
/
4
" 30
3
/
4
"1
15" 34
3
/
4
"1
18" 40" 1 1
21
1
/
4
" 46
1
/
4
"1
23
3
/
4
" 49
1
/
4
"11
27
3
/
4
" 56
3
/
4
"1
30" 60
3
/
4
"1 1
33" 66" 1 1
36" 71" 1 1
38
1
/
4
" 75" 2
41
1
/
4
" 80
1
/
4
"1 11
45" 86
3
/
4
"2
46
3
/
4
" 89
1
/
2
"1 1 1
51" 97" 1 1
53
1
/
4
" 101" 2 1
56
1
/
4
" 106
1
/
4
"2
59
1
/
4
" 111
1
/
2
"1 1 1
61
3
/
4
" 115
1
/
2
"2 1
64
3
/
4
" 120
3
/
4
"2 1
68
1
/
4
" 127" 1 2
70" 130" 2 1 1
74
1
/
4
" 137
1
/
2
"1 2 1
76
3
/
4
" 141
1
/
2
"1 2 1
79
3
/
4
" 146
3
/
4
"4
OFFSET CHART (22-50 FT. SYSTEM HEIGHT)
2" Min.
Straps
Straps
Straps
Straps
Detail A
Return Elbow
Detail B
Angle
Firestop
See Detail A
See Detail B
Ceiling Support
Pipe 12S-8DM
VENTING INSTALLATION
Continued