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Recommended Applications:
• Corner ground oor installation
• Ground oor installation where pipe vents horizon-
tally through wall (over 12" horizontal pipe)
• Basement installation where one foot clearance
from ground to termination is possible
VENTING INSTALLATION INSTRUCTIONS
Continued
Figure 15 - Horizontal Termination Conguration for Corner Installation Using One
90° Elbow
Square
Termination
Wall
Firestop
Not to Exceed (H) Limits
As Required
for (V), See
Chart for
Pipe Section
Required
45° Elbow
90° Elbow
90° Elbow
Square
Termination
Wall
Firestop
45° Elbow
12" Min.
*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
Not to Exceed
(H) Limits
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 installing snorkel termination below grade, you must provide proper drainage to prevent water from
entering snorkel termination (see Figure 16). Do not back ll around snorkel termination.
Snorkel Termination
12"
Min.
Snorkel
Termination
Wall
Firestop
90° Elbow
45° Elbow
Figure 16 - Snorkel Termination Congurations for Below Ground Installation
Snorkel Termination
Adequate
Drainage
12" Min.
12" Min.