| VENTING WITH THREE (3) 90° ELBOWS |
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| H1 |
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| V1 |
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| V |
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| H |
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| V + V1 | H + H1 |
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| 1' MIN. (305mm) | 10' MAX. (3.1m) |
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| 2' MIN. (610mm) | 15' MAX. (4.65m) |
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| 4' MIN. (1.22m) | 20' MAX. (6.2m) |
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| NOTE: H + H1 = 20' MAX. (6.2m) |
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V1 | V + V1 + H + H1= 40' MAX. (12.4m) |
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| H1 |
| V |
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| H | |
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Figure 9. | Venting with three 90° elbows |
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| Heat & Glo • Everest | • | 14 |