Offsets with two 45° elbows and one length
Vent Size
With Two 45° Elbows ONLY
6" Length
12" Length
18" Length
24" Length
36" Length
48" Length
60" Length
3
3 ¼
6 ¾
11
15 ¼
19 ½
28
36 ½
45
4
3 ½
7
11 ¼
15 ½
19 ¾
28 ¼
36 ¾
45 ¼
5
4 ¼
7 ¾
12
16 ¼
20 ¼
29
37 ½
46
6
4 ½
8
12 ¼
16 ½
20 ¾
29 ¼
37 ¾
46 ¼
7
5
8 ¼
12 ¾
17
21 ¼
29 ¾
38 ½
46 ¾
8
5 ½
9
13 ¼
17 ½
21 ¾
30 ¼
 
47 ¼
9
6
 
13 ¾
18
22 ¼
30 ¾
 
 
10
7 ¼
 
15
19 ¼
23 ½
32
 
 
12
7 ¼
 
15
19 ¼
23 ½
32
 
 
14
8 ½
  
16 ¼
20 ½
24 ¾
33 ¼
 
 
16
9 ¼
 
17
21 ¼
25 ½
34
 
 
18
10
 
17 ¾
22
26 ¼
34 ¾
 
 
20
10 ¼
 
18
22 ¼
26 ½
35
 
 
22
10 ¼
 
18
22 ¼
26 ½
35
 
 
24
11 ¼
 
19
23 ¼
27 ½
36
 
 
26
12
 
19 ¾
24
28 ¼
36 ¾
 
 
28
12 ¾
 
20 ½
24 ¾
37
37 ½
 
 
30
13 ½
 
20 ¼
25 ½
29 ¾
38 ¼
 
 

Termination
Roof Pitch

Minimum Height

AmeriCap® in 3" - 12" sizes may be installed in accordance with the Gas Vent Termination Table if the vent is at least 8' from any vertical wall.

For installation of caps 14" and larger, or for caps which are less than 8' from a vertical wall, the cap is to be located no less than 2' above the highest point where the vent passes through the roof and at least 2' higher than any portion of a building within 10'.

flat to 7/12

1.0 feet

over 7/12 to 8/12

1.5 feet

over 8/12 to 9/12

2.0 feet

over 9/12 to 10/12

2.5 feet

over 10/12 to 11/12

3.25 feet

over 11/12 to 12/12

4.0 feet

over 12/12 to 14/12

5.0 feet

over 14/12 to 16/12

6.0 feet

over 16/12 to 18/12

7.0 feet

over 18/12 to 20/12

7.5 feet

over 20/12 to 21/12

8.0 feet

 

Type B Vent Components
Round Oval Terminations

 


All information is subject to change without notice. Dimensions and specifications shown are within manufacturing tolerances.
© Copyright Commercial Products Group of Hart & Cooley, Inc., October, 2007. All Rights Reserved.