12
VENTING INSTALLATION INSTRUCTIONS
Installation Planning (Cont.)
VENTING INSTALLATION
INSTRUCTIONS
Continued
HORIZONTAL SYSTEM INSTALLATION USING TWO 90°
ELBOWS
The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows.
Venting with Two 90° Elbows |
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Vertical (V) | Horizontal (H1) | Horizontal (H1) + |
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| Horizontal (H2) | 45° Elbow | |
5' min. | 2' max. | 6' max. | ||
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6' min. | 4' max. | 12' max. |
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7' min. | 6' max. | 18' max. |
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8' min. | 8' max. | 20' max. |
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20' max. | 8' max. | 20' max. |
| |
Figure 17 - Horizontal Termination Configuration for Venting Using Two 90° Elbows
Venting with Two 90° Elbows |
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Vertical (V) | Horizontal (H1) + |
| |
| Horizontal (H2) |
| |
5' min. | 6' max. |
| |
6' min. | 12' max. |
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7' min. | 18' max. | 45° Elbow | |
8' min. | 20' max. | ||
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20' max. | 20' max. |
| |
Figure 18 - Horizontal Termination Configuration for Venting Using Two 90° Elbows with Termination at 90° with Fireplace
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