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)

Basement installation where one foot clearance from ground to termination is possible

 

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

Not to Exceed

(H) Limits

Square

Termination

Wall

Firestop

45°

Elbow

90° Elbow

As Required for (V)

See Chart for Pipe

Section Required

Not to Exceed

(H)Limits 90° Elbow

Wall

Firestop

45° Elbow

Square Termination

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 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

Snorkel

Termination

Termination

Wall

 

 

Firestop

 

90° Elbow

 

12"

 

Minimum

 

45°

12"

Elbow

 

Minimum

 

 

Adequate

 

Drainage

Snorkel Termination

12"

Minimum

Figure 16 - Snorkel Termination Configurations for Below Ground Installation

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Desa (V)V36EPA(1), (V)V36ENA(1) installation manual Corner Installation