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)

116035-01B

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Desa P), (V) CD36T(N, (V) CD36R(N installation manual Horizontal Termination Configuration, With Vinyl Siding