Installation (for qualified installers only) | 15 |
Approved Venting Configurations for Vertical Terminations with Three 90° Elbows
• | The termination must fall within the shaded area shown in the chart. Use the indicated restrictor | |||||
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| 24'(max) |
| 0feet | 5feet | 10feet | 15feet | 20feet | |
| 40' (max) |
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| 40' (max) |
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| Restrictor |
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| Position # 5 |
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| 35 feet |
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| 35 feet |
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| NOTE: |
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| Restrictor positions are based |
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| 30 feet |
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| upon lab tests. The ideal | 30 feet | |
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| restrictor position may vary |
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| slightly, especially when the |
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| termination is near a demarkation |
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| 25 feet |
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| line. |
| 25 feet |
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| Restrictor |
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| 20 feet |
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| Position # 1 |
| 20 feet |
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| 15 feet |
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| 15 feet |
| 10' (min) |
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| 10' (min) |
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| NOTE: |
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| 5 feet |
| Horizontal sections require a |
| 5 feet | |
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| 1/4" rise every 12" of travel. |
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| 0 feet |
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| 0 feet |
0feet | 5feet | 10feet | 15feet | 20feet | '(max) |
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| 24 |
This is considered a horizontal elbow (it does not matter whether it turns right or left).
It may be a 45° or 90° elbow.
H2 | This is considered a | |
vertical elbow | ||
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Horizontal length (max. 24') is calculated by adding both lengths of horizontal run (Horizontal Length = H1 + H2).
H1 | This is considered a |
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| vertical elbow |
Travis Industries | 4 1 2 2 1 0 4 | 9 3 5 0 8 1 1 7 |