VENTING INSTALLATION INSTRUCTIONS
Installation Planning (Cont.)
11
VENTING INSTALLATION INSTRUCTIONS Continued
CORNER INSTALLATION
Recommended Applications:
• | Corner ground floor installation |
• | Ground floor installation where pipe vents horizontally through wall |
| (over 12" horizontal pipe) |
| Vertical (V) | Required |
Vertical (V) | Vertical Pipe | Horizontal (H) |
*43 1/2" min. | None | 30" max. |
54 1/2" min. | 1 ft. | 48" max. |
66 1/2" min. | 2 ft. | 60" max. |
78 1/2" min. | 3 ft. | 84" max. |
90 1/2" min. | 4 ft. | 20' max. |
* Ground Floor Corner Venting
• | Basement installation where one foot clearance from ground to |
| termination is possible |
Not to Exceed (H) Limits
90° Elbow
Square Termination
Not to Exceed
(H) Limits
Square Termination
Wall
Firestop
90° Elbow
As Required for (V)
See Chart for Pipe
Section Required
45° 
Elbow
Wall Firestop
45° Elbow
12" Minimum
Figure 15 - Horizontal Termination Configuration for Corner Installation Using One 90° Elbow
SNORKEL TERMINATION INSTALLATION
Recommended Applications:
•Installations requiring a vertical rise on building exterior
•Any installation using snorkel termination to achieve one foot above ground
Snorkel terminations are available for installations requiring a vertical rise on the exterior of the building. If install- | |||
ing snorkel termination below grade, you must provide proper drainage to prevent water from entering snorkel | |||
termination (see Figure 16). Do not back fill around snorkel termination. |
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Snorkel | Snorkel |
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Termination |
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Termination |
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| Wall | |
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| 90° | Elbow | Firestop |
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| 12" |
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| Minimum | 45° |
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12" |
| Elbow |
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Minimum |
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| Adequate |
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| Drainage |
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Figure 16 - Snorkel Termination Configurations for Below Ground Installation |
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Snorkel 
Termination
12" Minimum
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