Venting Installation instructions
Continued
HORIZONTAL VENT INSTALLATIONS
USING MULTIPLE 90° ELBOWS
The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows.
90° Elbow
90° Elbow
Venting with Two 90° Elbows
| Horizontal (H)+ |
Vertical (V) | Horizontal (H2) |
7' Min. | 10' Max |
8' Min. | 12' Max |
9' Min. | 14' Max |
10' Min. | 16' Max |
11' Min. | 18' Max |
13' Min. | 20' Max |
Figure 17 - Horizontal Termination Configuration For Venting Using Two 90° Elbows
Venting with Two 90° Elbows |
| ||
|
| Horizontal (H)+ |
|
Vertical (V) | Horizontal (H) | Horizontal (H2) |
|
5' Min. | 2' Max. | 6' Max |
|
6' Min. | 3' Max. | 8' Max |
|
7' Min. | 4' Max. | 10' Max | 90° |
8' Min. | 5' Max. | 12' Max | Elbow |
12' Min. | 8' Max. | 20' Max |
|
20' Min. | 8' Max. | 20' Max | 90° |
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|
| |
|
|
| Elbow |
|
| H |
|
|
| O |
|
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| T |
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| 90° |
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| Elbow |
Figure 18 - Horizontal Termination Configuration for Venting Using Three 90° Elbows
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