108661-01E
For more information, visit www.desatech.com
For more information, visit www.desatech.com
11
11
Vertical (V) Required
32" 36" Vertical Pipe Horizontal (H) (32"/36")
*401/2" min. 431/4" min. None 30" max.
511/2" min. 541/4" min. 1 ft. 48" max.
631/2" min. 661/4" min. 2 ft. 60" max.
751/2" min. 781/4" min. 3 ft. 84" max.
871/2" min. 901/4" min. 4 ft. 20' max.

Figure 15 - Horizontal Termination Configuration 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" Minimum
CORNER AND ALTERNATE INSTALLATIONRecommended 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 totermination is possibleSNORKEL TERMINATION INSTALLATIONRecommended Applications: Installations requiring a vertical rise on building exterior Any installation using snorkel termination to achieve one foot above groundSnorkel terminations are available for installations requiring a vertical rise on the exterior of the building. Ifinstalling snorkel termination below grade, you must provide proper drainage to prevent water from entering snorkeltermination (see Figure 16). Do not back fill around snorkel termination.
VENTING INSTALLATION
INSTRUCTIONS
Continued

VENTING INSTALLATION INSTRUCTIONS

Installation Planning (Cont.)
12"
Minimum
Snorkel
Termination
Snorkel
Termination
12"
Minimum
Snorkel
Termination
Wall
Firestop
90° Elbow
45°
Elbow

Figure 16 - Snorkel Termination Configurations for Below Ground Installation

*Note:

Ground Floor Corner Venting
Not to Exceed
(H) Limits
12"
Minimum
Adequate
Drainage