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vENTiNG iNSTALLATioN
iNSTRUcTioNS
Continued
Horizontal termination Configurations
Figures 14 through 18 show different configurations and alterna-
tives for venting with horizontal termination. Each figure includes
a chart with critical minimum and maximum dimensions which
MUST be met. IMPORTANT: If using a venting configuration of
only horizontal venting with no vertical run, a 1/4" rise for every
12" of run toward the termination is required.
WARNING: Never run vent downward as this may
cause excessive temperatures which could cause a
fire. Operation of improperly installed and maintained
venting system could result in serious injury, property
damage or loss of life.
GROUND FLOOR INSTALLATION
Recommended Applications:
• Installation using cabinet surrounds
• Through the wall using round or square termination (up to 12"
horizontal pipe)
• NOT FOR CORNER INSTALLATION
Adjustable
Pipe 12" Max.
Horizontal High
Wind Square
Termination
Wall Firestop
36" Series 32
42" Series 36
45° Elbow
Wall
Firestop
Figure 14 - Horizontal Termination Configuration for Square
and Round Terminations
10
45° Elbow
Square Termination
Vertical (V) Horizontal (H)
/
" min.
17" max.
3
4
/
" min.
17" max.
3
4
Exterior Portion of
Wall Firestop (Round
Termination Only)
Round Termination
(Kit 01491 Shown)
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
Wall
Firestop
Square
Termination
Vertical (V)
36"
*43
1
/
" min. 46
2
54
/
" min. 57
1
2
66
/
" min. 69
1
2
78
1
/
" min. 81
2
90
/
" min. 93
1
2
*Note: Ground Floor Corner Venting
Round
Figure 15 - Horizontal Termination Configuration for Corner
Termination
Cap
www.desatech.com
Not to Exceed
(H) Limits
45°
Elbow
Required
42"
Vertical Pipe
1
/
" min.
None
4
/
" min.
1 ft.
1
4
/
" min.
2 ft.
1
4
1
/
" min.
3 ft.
4
/
" min.
4 ft.
1
4
Not to Exceed
(H) Limits
90° Elbow
Wall
Firestop
45° Elbow
Installation Using One 90° Elbow
90° Elbow
As Required for (V)
See Chart for Pipe
Section Required
Horizontal (H)
(36"/42")
30" max.
48" max.
60" max.
84" max.
20' max.
Square
Termination
12" Minimum
108862-01E
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