Rear Vent - Vertical Termination
One Elbow
V1
V1 Minimum | H1 Maximum | ||
6 in. | 152 mm | 2 ft. | 610 mm |
1 ft. | 305 mm | 3 ft. | 914 mm |
2 ft. | 610 mm | 5 ft. | 1.5 m |
3 ft. | 914 mm | 7 ft. | 2.1 m |
4 ft. | 1.2 m | 8 ft | 2.4 m |
5 ft. | 1.5 m | 8 ft | 2.4 m |
V1 + H1 = 40 ft (12.2 m) Maximum
H1 = 8 ft (2.4 m) Maximum
H1
Figure 7.17
Two Elbows
H1 + H2 | Maximum | V1 Minimum | |||
Back to Back 90º Elbows | 3 ft. |
| 914 mm | ||
|
|
|
|
|
|
2 ft |
| 610 mm | 6 ft. |
| 1.8 m |
4 ft |
| 1.2 m | 9 ft. |
| 2.7 m |
|
|
|
|
|
|
6 ft. |
| 1.8 m | 12 ft. |
| 3.7 m |
8 ft. |
| 2.4 m | 15 ft. |
| 4.6 m |
V1 | + H1 = 40 ft (12.2 m) Maximum | ||||
H1 + H2 = 8 ft (2.4 m) Maximum |
|
V2
INSTALLED
HORIZONTALLY H1
H2
Figure 7.18
32 | Heat & Glo • |