A1
Return
Elbow
20'
Max.
B1
Stabilizer
10' Max.
Offset
Elbow
OFFSET ELEVATION CHART
A |
| B |
|
| Number of FTF8 Chimney Sections | ||||
Offset | Height | Offset/Return |
|
|
|
| |||
|
|
|
| ||||||
(Inches) | (Inches) | Elbow | Stabilizer | 12" | 18" | 38" | 48" | ||
|
|
|
|
|
|
|
|
|
|
4 |
| 15 | ³⁄₄ | 1 | 0 | 0 | 0 | 0 | 0 |
9 |
| 24 | ¹⁄₂ | 1 | 0 | 1 | 0 | 0 | 0 |
12 |
| 29 | ³⁄₄ | 1 | 0 | 0 | 1 | 0 | 0 |
14 | ¹⁄₄ | 33 | ¹⁄₂ | 1 | 0 | 2 | 0 | 0 | 0 |
17 | ¹⁄₄ | 38 | ¹⁄₂ | 1 | 0 | 1 | 1 | 0 | 0 |
20 | ¹⁄₄ | 43 | ³⁄₄ | 1 | 0 | 0 | 2 | 0 | 0 |
21 |
| 45 | ¹⁄₄ | 1 | 0 | 0 | 0 | 1 | 0 |
22 | ¹⁄₄ | 47 | ¹⁄₂ | 1 | 0 | 2 | 1 | 0 | 0 |
25 | ¹⁄₄ | 52 | ¹⁄₂ | 1 | 0 | 1 | 2 | 0 | 0 |
26 | ¹⁄₄ | 54 | ¹⁄₄ | 1 | 0 | 1 | 0 | 1 | 0 |
27 |
| 55 | ³⁄₄ | 1 | 0 | 0 | 0 | 0 | 1 |
28 | ¹⁄₄ | 57 | ³⁄₄ | 1 | 0 | 0 | 3 | 0 | 0 |
29 | ¹⁄₄ | 59 | ¹⁄₄ | 1 | 0 | 0 | 1 | 1 | 0 |
31 | ¹⁄₄ | 63 |
| 1 | 0 | 2 | 0 | 1 | 0 |
32 | ¹⁄₄ | 64 | ¹⁄₂ | 1 | 0 | 1 | 0 | 0 | 1 |
Figure 36
A2
C2
A1
C1
A2
C2
B2
A1
B1
C1
B2
B1
34 | ¹⁄₄ | 68 | ¹⁄₄ | 1 | 0 | 1 | 1 | 1 | 0 |
35 | ¹⁄₄ | 69 | ³⁄₄ | 1 | 0 | 0 | 1 | 0 | 1 |
37 | ¹⁄₄ | 73 | ¹⁄₄ | 1 | 0 | 0 | 2 | 1 | 0 |
38 | ¹⁄₄ | 75 |
| 1 | 0 | 0 | 0 | 2 | 0 |
39 | ¹⁄₄ | 77 |
| 1 | 0 | 2 | 1 | 1 | 0 |
41 | ¹⁄₂ | 80 | ¹⁄₂ | 1 | 0 | 1 | 4 | 0 | 0 |
43 | ¹⁄₄ | 83 | ³⁄₄ | 1 | 0 | 1 | 0 | 2 | 0 |
44 | ¹⁄₄ | 85 | ¹⁄₄ | 1 | 0 | 0 | 0 | 1 | 1 |
45 | ¹⁄₄ | 87 | ¹⁄₂ | 1 | 0 | 0 | 3 | 1 | 0 |
46 | ¹⁄₄ | 89 |
| 1 | 0 | 0 | 1 | 2 | 0 |
48 | ¹⁄₄ | 91 | ¹⁄₂ | 1 | 0 | 2 | 0 | 2 | 0 |
49 | ¹⁄₄ | 94 | ¹⁄₄ | 1 | 0 | 1 | 0 | 1 | 1 |
50 | ¹⁄₄ | 95 | ³⁄₄ | 1 | 0 | 0 | 0 | 0 | 2 |
51 | ¹⁄₄ | 97 | ³⁄₄ | 1 | 0 | 1 | 1 | 2 | 0 |
54 | ¹⁄₄ | 103 |
| 1 | 0 | 0 | 2 | 2 | 0 |
55 | ¹⁄₄ | 104 | ¹⁄₂ | 1 | 0 | 1 | 0 | 0 | 2 |
56 | ¹⁄₂ | 106 | ¹⁄₂ | 1 | 0 | 2 | 1 | 2 | 0 |
58 | ¹⁄₄ | 109 | ³⁄₄ | 1 | 0 | 0 | 1 | 0 | 2 |
61 | ³⁄₄ | 116 |
| 1 | 1 | 1 | 0 | 3 | 0 |
64 | ³⁄₄ | 121 | ¹⁄₄ | 1 | 1 | 0 | 1 | 3 | 0 |
67 |
| 124 | ³⁄₄ | 1 | 1 | 2 | 0 | 3 | 0 |
68 | ³⁄₄ | 128 |
| 1 | 1 | 0 | 0 | 1 | 2 |
70 |
| 130 |
| 1 | 1 | 1 | 1 | 3 | 0 |
73 |
| 135 | ¹⁄₄ | 1 | 1 | 0 | 2 | 3 | 0 |
74 | ³⁄₄ | 138 | ¹⁄₄ | 1 | 1 | 0 | 0 | 0 | 3 |
79 |
| 145 | ¹⁄₂ | 1 | 1 | 1 | 0 | 4 | 0 |
80 |
| 147 | ¹⁄₄ | 1 | 1 | 1 | 0 | 0 | 3 |
82 |
| 150 | ³⁄₄ | 1 | 1 | 0 | 1 | 4 | 0 |
82 | ¹⁄₄ | 152 |
| 1 | 1 | 0 | 1 | 0 | 3 |
Figure 37
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. | 13 |