Venting Installation
instructions
Continued
Horizontal Termination Configurations Figures 14 through 18 show different configura- tions and alternatives for venting with horizontal termination. Each figure includes a chart with critical minimum and maximum dimensions which MUST be met. IMPORTANT: Remember that a horizontal run of venting must have a 1/4" rise for every 12" of run toward the termination.
GROUND FLOOR INSTALLATION Recommended
Not to Exceed
(H) Limits
Square
Termination
H
TO
Wall
Firestop
90° Elbow
As Required 
for (V), See Chart for Pipe Section Required
•Installation using cabinet surrounds
•Through the wall using square termination (up to 24" horizontal pipe)
•Corner installation (Using one 6" vertical sec- tion, one 90° elbow and a maximum of 24" of horizontal pipe)
Horizontal | Straight/ |
| |
Square |
| ||
Adjustable | 90° | ||
Termination | |||
Pipe 24" Max. | |||
Elbow | |||
| |||
|
|
Wall
Firestop
V
| H |
Corner Installation | |
Vertical (V) | Horizontal (H) |
51" Min. | 32 1/2" Max |
Figure 14 - Horizontal Termination
Configuration For Corner Installation
Using One 90° Elbow
Required | Vertical (V) | Allowable |
Vertical (V) | Vertical Pipe | Horizontal (H) |
51" | 6" | 26" Max. |
57 1/4" Min. | 1' | 30" Max. |
69 1/4" Min. | 2' | 74" Max. |
81 1/2" Min. | 3' | 98" Max. |
94" Min. | 4' | 122" Max. |
106" Min. | 5' | 146" Max. |
159" Min. | 9' | 20' Max. |
Figure 15 - Horizontal Termination
Configuration with Vertical Rise and One
90° Elbow
12" |
Min. |
Figure 16 - Square Termination
Clearance at Ground Floor Installation
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