1. Top Vent - Horizontal Termination | - (continued) |
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Three Elbows |
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V1 Minimum | H1 Maximum | V2 Minimum | H2 Maximum | V1 + V2 Minimum | H1 + H2 Maximum | ||||||
Elbow only | 1 ft. | 305 mm | 6 in. | 152 mm | 1 ft. | 305 mm | 6 in. | 152 mm | 1 ft. | 305 mm | |
6 in. | 152 mm | 3 ft. | 914 mm | 6 in. | 152 mm | 2 ft. | 610 mm | 1 ft. | 305 mm | 3 ft. | 914 mm |
1 ft. | 305 mm | 6 ft | 1.8 m | 1 ft. | 305 mm | 6 ft | 1.8 m | 2 ft. | 610 mm | 12 ft. | 3.7 m |
2 ft. | 610 mm | 10 ft.* | 3 m | 2 ft. | 610 mm | 10 ft.* | 3 m | 4 ft | 1.2 m | 18 ft. | 5.5 m |
3 ft. | 914 mm | 12 ft.* | 3.7 m | 3 ft. | 914 mm | 12 ft.* | 3.7 m | 6 ft | 1.8 m | 18 ft | 5.5 m |
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| *H1 + H2 = 18 ft. (5.5 m) Maximum | V1 + V2 + H1 + H2 = 50 ft. (15.2 m) Maximum |
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H2
V2
H1
V1
Figure 7.6
28 | Heat & Glo • |