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Height Of Chimney
Only
Chimney Components
Inches
Feet/Inches
12"
18"
10-1/4
0' 10-1/4"
1
0
16-1/4
1' 4-1/4"
0
1
22-1/4
1' 10-1/4"
0
0
26-1/2
2' 2-1/2"
1
1
32-1/2
2' 8-1/2"
1
0
34-1/4
2' 10-1/4"
0
0
38-1/2
3' 2-1/2"
0
1
44-1/2
3' 8-1/2"
1
0
46-1/4
3' 10-1/4"
0
0
50-1/2
4' 2-1/2"
0
1
56-1/2
4' 8-1/2"
1
0
62-1/2
5' 2-1/2"
0
1
68-1/2
5' 8-1/2"
0
0
72-3/4
6' 3/4"
1
1
78-3/4
6' 6-3/4"
1
0
84-3/4
7' 3/4"
0
1
90-3/4
7' 6-3/4"
1
0
92-1/2
7' 8-1/2"
0
0
96-3/4
8' 3/4"
0
1
102-3/4
8' 6-3/4"
1
0
108-3/4
9' 3/4"
0
1
114-3/4
9' 6-3/4"
0
0
119
9' 11"
1
1
125
10' 5"
1
0
131
10' 11"
0
1
137
11' 5"
1
0
138-3/4
11' 6-3/4"
0
0
143
11' 11"
0
1
149
12' 5"
1
0
155
12' 11"
0
1
161
13' 5"
0
0
165-1/4
13' 9-1/4"
1
1
171-1/4
14' 3-1/4"
1
0
177-1/4
14' 9-1/4"
0
1
183-1/4
15' 3-1/4"
1
0
185
15' 5"
0
0
189-1/4
15' 9-1/4"
0
1
195-1/4
16' 3-1/4"
1
0
201-1/4
16' 9-1/4"
0
1
207-1/4
17' 3-1/4"
0
0
211-1/2
17' 7-1/2"
1
1
217-1/2
18' 1-1/2"
1
0
223-1/2
18' 7-1/2"
0
1
229-1/2
19' 1-1/2"
1
0
231-1/4
19' 3-1/4"
0
0
235-1/2
19' 7-1/2"
0
1
241-1/2
20' 1-1/2"
1
0
Table 3a
FTF8 VERTICAL ELEVATION CHART
Number Of FTF8
Height Of
Chimney
Only
24"
36"
48"
-S4
Meters
0
0
0
–
0.26
0
0
0
–
0.41
1
0
0
–
0.57
0
0
0
–
0.67
1
0
0
–
0.83
0
1
0
–
0.87
1
0
0
–
0.98
0
1
0
–
1.13
0
0
1
–
1.17
0
1
0
–
1.28
0
0
1
–
1.44
0
0
1
–
1.59
1
0
1
–
1.74
0
0
1
–
1.85
1
0
1
–
2.00
1
0
1
–
2.15
0
1
1
–
2.31
0
0
2
–
2.35
0
1
1
–
2.46
0
0
2
–
2.61
0
0
2
–
2.76
1
0
2
–
2.91
0
0
2
–
3.02
1
0
2
–
3.18
1
0
2
–
3.33
0
1
2
–
3.48
0
0
3
–
3.52
0
1
2
–
3.63
0
0
3
–
3.78
0
0
3
–
3.94
1
0
3
–
4.09
0
0
3
–
4.20
1
0
3
–
4.35
1
0
3
–
4.50
0
1
3
–
4.65
0
0
4
–
4.70
0
1
3
–
4.81
0
0
4
–
4.96
0
0
4
–
5.11
1
0
4
–
5.26
0
0
4
–
5.37
1
0
4
–
5.52
1
0
4
–
5.68
0
1
4
–
5.83
0
0
5
–
5.87
0
1
4
–
5.98
0
0
5
–
6.13
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Height Of Chimney
Only
Chimney Components
Inches
Feet/Inches
12"
18"
247-1/2
20' 7-1/2"
0
1
253-1/2
21' 1-1/2"
0
0
257-3/4
21' 5-3/4"
1
1
263-3/4
21' 11-3/4"
1
0
269-3/4
22' 5-3/4"
0
1
275-3/4
22' 11-3/4"
1
0
277-1/2
23' 1-1/2"
0
0
281-3/4
23' 5-3/4"
0
1
287-3/4
23' 11-3/4"
1
0
293-3/4
24' 5-3/4"
0
1
299-3/4
24' 11-3/4"
0
0
304
25' 4"
1
1
310
25' 10"
1
0
316
26' 4"
0
1
322
26' 10"
1
0
323-3/4
26' 11-3/4"
0
0
328
27' 4"
0
1
334
27' 10"
1
0
340
28' 4"
0
1
346
28' 10"
0
0
350-1/4
29' 2-1/4"
1
1
356-1/4
29' 8-1/4"
1
0
365-1/4
30' 5-1/4"
0
1
371-1/4
30' 11-1/4"
1
0
373
31' 1"
0
0
377-1/4
31' 5-1/4"
0
1
383-1/4
31' 11-1/4"
1
0
389-1/4
32' 5-1/4"
0
1
395-1/4
32' 11-1/4"
0
0
399-1/2
33' 3-1/2"
1
1
405-1/2
33' 9-1/2"
1
0
411-1/2
34' 3-1/2"
0
1
417-1/2
34' 9-1/2"
1
0
419-1/4
34' 11-1/4"
0
0
423-1/2
35' 3-1/2"
0
1
429-1/2
35' 9-1/2"
1
0
435-1/2
36' 3-1/2"
0
1
441-1/2
36' 9-1/2"
0
0
445-3/4
37' 1-3/4"
1
1
451-3/4
37' 7-3/4"
1
0
457-3/4
38' 1-3/4"
0
1
463-3/4
38' 7-3/4"
1
0
465-1/2
38' 9-1/2"
0
0
469-3/4
39' 1-3/4"
0
1
475-3/4
39' 7-3/4"
1
0
481-3/4
40' 1-3/4"
0
1
486
40' 6"
1
0
Table 3b
Number Of FTF8
Height Of
Chimney
Only
24"
36"
48"
-S4
Meters
0
0
5
–
6.29
1
0
5
–
6.44
0
0
5
–
6.55
1
0
5
–
6.70
1
0
5
–
6.85
0
1
5
–
7.00
0
0
6
–
7.05
0
1
5
–
7.16
0
0
6
–
7.31
0
0
6
–
7.46
1
0
6
–
7.61
0
0
6
–
7.72
1
0
6
–
7.87
1
0
6
–
8.03
0
1
6
–
8.18
0
0
7
–
8.22
0
1
6
–
8.33
0
0
7
–
8.48
0
0
7
–
8.64
1
0
7
–
8.79
0
0
7
–
8.90
1
0
7
–
9.05
1
0
7
1
9.28
0
1
7
1
9.43
0
0
8
1
9.47
0
1
7
1
9.58
0
0
8
1
9.73
0
0
8
1
9.89
1
0
8
1
10.04
0
0
8
1
10.15
1
0
8
1
10.30
1
0
8
1
10.45
0
1
8
1
10.60
0
0
9
1
10.65
0
1
8
1
10.76
0
0
9
1
10.91
0
0
9
1
11.06
1
0
9
1
11.21
0
0
9
1
11.32
1
0
9
1
11.47
1
0
9
1
11.63
0
1
9
1
11.78
0
0
10
1
11.82
0
1
9
1
11.93
0
0
10
1
12.08
0
0
10
1
12.24
1
1
9
1
12.34
5
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