V | H | H + H1 |
1' MIN. (305 mm) | 2' MAX. (610mm) | 4' MAX. (1.22m) |
2' MIN. (610 mm) | 4' MAX. (1.22m) | 8' MAX. (2.48m) |
3' MIN. (914 mm) | 6' MAX. (1.86m) | 12' MAX. (3.72m) |
4' MIN. (1.22 m) | 8' MAX. (2.48m) | 16' MAX. (4.8m) |
V1+V+H+H1 = 40' MAX. (12.4m)
H = 8' MAX. (2.48m) H+H1 =16' MAX. (4.8m)
V1
V
H
H1
| V |
| H | H + H1 + H2 |
1' MIN. (305 mm) | 2' MAX. (610 mm) | 4' MAX. (1.22m) | ||
| 2' MIN. (610 mm) | 4' MAX. (1.22 m) | 8' MAX. (2.48m) | |
| 3' MIN. (914 mm) | 6' MAX. (1.86 m) | 12' MAX. (3.72m) | |
| 4' MIN. (1.22 m) | 8' MAX. (2.48 m) | 16' MAX. (4.8m) | |
| V+H+H +H = 40' MAX. (12.4 m) |
| ||
| 1 | 2 |
|
|
| H = 8' MAX. (2.48m) | H + H1 + H2 = 16' MAX. (4.8m) | ||
|
|
|
|
|
H2
Use | H1 |
components only.
Note: There MUST be a 25% reduction in total H when using flex vent, except when using the simple up and out installation (see Figure 9).
Figure 17. Venting with Three 90° elbows
22
V
H