Desa CD36RN - Page 16

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116035-01J16

Reco m m e nded Ap p licatio n s Model s
(V)CD36R and (V)CD36T:
• Installations requiring vertical rise on build-
ing exterior.
• Installation using snorkel termination to
achieve 1 ft. above grade.
VENTING INSTALLATION
Continued
Figure 23 - Snorkel Termination Conguration For Below Ground Installation



The following congurations show the mini-
mum vertical rise requirements for a horizontal
system using two 90° elbows.
Figure 24 - Horizontal Termination Conguration For Venting Using Two 90° Elbows
(Model (V)CD36T)



Horizontal (H


7' Min. 10' Max
8' Min. 12' Max
9' Min. 14' Max
10' Min. 16' Max
11' Min. 18' Max
13' Min. 20' Max
Snorkel terminations are available for installa-
tions requiring a vertical rise on the exterior of
the building. If installing snorkel below grade
you must provide proper drainage to prevent
water from entering snorkel (see Figure 23).
Do not back ll around snorkel termination.
90°
Elbow
90°
Elbow
Snorkel
Termination
12"
Min.
12" Min.
Adequate
Drainage
Snorkel
Termination
Snorkel
Termination
90° Elbow
12" Min.
Wall
Firestop