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 |
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6 in. | 152 mm | 3 ft | 914 mm |
| 1 ft | 305 mm | 3 ft | 914 mm | 457 mm | 6 ft | 1.8 m |
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1 ft | 305 mm | 3 ft | 914 mm |
| 1 ft | 305 mm | 3 ft | 914 mm | 2 ft | 607 mm | 6 ft | 1.8 m |
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2 ft | 610 mm | 6 ft | 1.8 m |
| 2 ft | 610 mm | 6 ft | 1.8 m | 4 ft | 1.4 m | 12 ft | 3.7 m |
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3 ft | 914 mm | 9 ft | 2.7 m |
| 3 ft | 914 mm | 9 ft | 2.7 m | 6 ft | 1.8 m | 18 ft | 5.5 m |
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| H1 + H2 = 20 ft (6.1 m) Max. | V1 + V2 + H1 + H2 = 50 ft (15.2 m) Max. | V1 = 6 inches (152 mm) Min. |
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H2
V2
H1V1
Figure 7.5
Heat & Glo • | 25 |