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 | 45° Elbow |
Pipe 12" Max. |
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Horizontal High
Wind Square
Termination
Wall Firestop 
Square Termination
| Vertical (V) | Horizontal (H) |
36" Series | 32 3/4" min. | 17" max. |
42" Series | 36 3/4" min. | 17" max. |
45° Elbow |
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| Wall Firestop (Round | |||
| Termination Only) | ||||
Firestop |
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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
| Not to Exceed | 90° Elbow |
| (H) Limits | |
Wall |
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Firestop |
| As Required for (V) |
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| See Chart for Pipe |
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Square |
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Termination | 45° |
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| Elbow |
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Vertical (V) | Required |
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| Horizontal (H) | ||||||||
36" | 42" | Vertical Pipe | (36"/42") | |||||||||
*43 1/2" min. | 46 1/4" min. | None |
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| 30" max. | ||||||
54 1/2" min. | 57 1/4" min. | 1 ft. |
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| 48" max. | ||||||
66 1/2" min. | 69 1/4" min. | 2 ft. |
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| 60" max. | ||||||
78 1/2" min. | 81 1/4" min. | 3 ft. |
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| 84" max. | ||||||
90 1/2" min. | 93 1/4" min. | 4 ft. |
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| 20' max. | ||||||
*Note: Ground Floor Corner Venting |
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Wall |
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Firestop | 12" Minimum |
45° Elbow
Round | Figure 15 - Horizontal Termination Configuration for Corner |
Termination | Installation Using One 90° Elbow |
Cap |
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Round Termination
(Kit 01491 Shown)
Figure 14 - Horizontal Termination Configuration for Square
and Round Terminations
10 | www.desatech.com |