Desa VT32N Series Owner's Operation And Installation Manual page 11

VENTING INSTALLATION
INSTRUCTIONS
Continued
CORNER AND ALTERNATE INSTALLATION
Recommended Applications:
• Corner ground floor installation
• Ground floor installation where pipe vents horizontally through wall
(over 12" horizontal pipe)
• Basement installation where one foot clearance from ground to
termination is possible
Not to Exceed
(H) Limits
Wall
Firestop
Square
Termination
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
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
Minimum
Figure 16 - Snorkel Termination Configurations for Below Ground Installation
For more information, visit www.desatech.com
For more information, visit www.desatech.com
108661-01D
90 Elbow
As Required for (V)
See Chart for Pipe
Section Required
45
Elbow
12"
VENTING INSTALLATION INSTRUCTIONS
Installation Planning (Cont.)
Vertical (V)
32" 36" Vertical Pipe
*40 1 / " min. 43 1 / " min.
2 4
1 1
51 / " min. 54 / " min.
2 4
63 1 / " min. 66 1 / " min.
2 4
1 1
75 / " min. 78 / " min.
2 4
1 1
87 / " min. 90 / " min.
2 4
*Note: Ground Floor Corner Venting
Not to Exceed
(H) Limits
90 Elbow
45 Elbow
Snorkel
Termination
90 Elbow
12"
45
Minimum
Elbow
Adequate
Drainage
Required
Horizontal (H) (32"/36")
None 30" max.
1 ft. 48" max.
2 ft. 60" max.
3 ft. 84" max.
4 ft. 20' max.
Square
Termination
Wall
Firestop 12" Minimum
Snorkel
Termination
Wall
Firestop
11
11
12"
Minimum