
VENTING INSTALLATION INSTRUCTIONS  | 11  | 
Installation Planning (Cont.)  | 
VENTING INSTALLATION
INSTRUCTIONS
Continued
Horizontal Termination Configuration
Figures 19 through 25 show different configurations and alterna- tives for venting with horizontal terminations. 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.
Minimum Pipe  | Siding Standoff  | |
Overlap 11/4"  | ||
  | ||
  | Screws  | |
Direct Vent  | 
  | |
Pipe  | 
  | |
Wall  | 
  | |
Firestop  | 
  | 
Maintain 1"  | 
  | 
Minimum Air  | 
  | 
Space Around  | 
  | 
Outer Pipe When  | 
  | 
Penetrating a Wall  | High Wind  | 
  | Termination  | 
10 3/4" x 10 3/4"  | Apply Mastic to  | 
Framed  | |
Opening  | Outside Edge of  | 
  | Standoff  | 
  | Exterior Wall  | 
  | with Vinyl Siding | 
Figure 17 - Typical Horizontal Termination Cap Mounting with Additional Siding Standoff Installed
90° Elbow Wall  | Exterior Portion of Wall  | 
Firestop  | Firestop (Round  | 
  | Termination Only)  | 
Horizontal
Round
Termination
Figure 18 - Horizontal Termination Configuration for Round Termination (Model (V)CD36T)
Straight / Adjustable
Pipe 18" Max.
Horizontal
Square
Termination
Wall
Firestop
Square Termination
Vertical (V) Horizontal (H)
25 1/2 "  | 22" max.  | 
Figure 19 - Horizontal Termination Configuration for Flush Installation (Model (V)CD36R)
Horizontal  | Straight / Adjustable  | |
Square  | ||
Pipe 18" Max.  | ||
Termination  | 
GROUND FLOOR INSTALLATION REAR VENT
Recommended Applications fo Rear Vent Model (V)CD36R:
•Installation using cabinet surrounds
•Through the wall using round or square termination (up to a maximum of 18” of horizontal pipe)
•Corner installation
(Using one 45° elbow and a maximum of 18” of horizontal pipe).
Wall Firestop
45° Elbow
Corner Installation
Vertical (V)  | Horizontal (H)  | 
25 ½”  | 24”  | 
Figure 20 - Horizontal Termination Configuration for Corner Installation (Model (V)CD36R)
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