Desa (V)T32N SERIES Owner's Operation And Installation Manual page 12

VENTING INSTALLATION INSTRUCTIONS
CORNER AND ALTERNATE INSTALLATION
Recommended Applications:
• Corner ground floor installation
• Ground floor installation where pipe vents horizon-
tally through wall (over 12" horizontal pipe)
• Basement installation where one foot clearance
from ground to termination is possible
Not to Exceed (H) Limits
Square
Termination
Wall
Firestop
45° Elbow
Figure 15 - Horizontal Termination Configuration for Corner Installation Using One
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 installing 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.
Snorkel Termination
Figure 16 - Snorkel Termination Configurations for Below Ground Installation
1
90° Elbow
As Required
for (V), See
Chart for
Pipe Section
Required
1"
Min.
www.desatech.com
Continued
Not to Exceed
(H) Limits
90° Elbow
Vertical (V)
*40 / " min.
1

51 / " min.
1

63 / " min.
1

75 / " min.
1

87 / " min.
1

* Ground Floor Corner Venting
90° Elbow
Snorkel Termination
1" Min.
Adequate
Drainage
Wall
Firestop
45° Elbow
Required
Vertical Pipe Horizontal (H)
None
1 ft.
 ft.
3 ft.
4 ft.
Wall
Firestop
90° Elbow
45° Elbow
Square
Termination
1" Min.
30" max.
48" max.
60" max.
84" max.
0' max.
Snorkel
Termination
1" Min.
111986-01D