Desa TUDOR - Venting Installation Instructions

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111986-01F 15
Note: If an offset is needed to avoid
obstructions, you must support the vent
pipe every 3 feet. Use wall straps for this
purpose (see Figure 19, page 14). When-
ever possible, use 45° elbows instead of
90° elbows. The 45° elbow offers less
restriction to the ow of the ue gases
and intake air.
5. Place the ashing over the pipe section(s)
extending through the roof. Secure the
base of the ashing to the roof and fram-
ing with roong nails. Be sure roong
material overlaps the top edge of the
ashing as shown in Figure 19, page 14.
There must be a 1" clearance from the
vent pipe to combustible materials.
6. Continue to add pipe sections until the
height of the vent cap meets the minimum
building code requirements described in
Figure 7 on page7
VENTING INSTALLATION INSTRUCTIONS
Continued
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Figures 21 through 24 show four different
congurations for vertical termination.
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
Horizontal (H
1

Horizontal (H


5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Figure 21 - Vertical Venting
Conguration Using Two 90° Elbows
with Two Horizontal Runs (Vertical
Round High Wind Termination Shown)
Note: Install restrictor
into inner collar of
replace as shown.
45° Elbow
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 
5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Figure 22 - Vertical Venting
Conguration Using One 90° Elbow
(Vertical Round High Wind Termination
Shown)
45° Elbow
Note: Install restrictor into
inner collar of replace as
shown.
Note: You must increase vent height for
steep roof pitches. Nearby trees, adjoining
rooines, steep pitched roofs and other
similar factors may cause poor draft or
down-drafting in high winds. Increasing
the vent height may solve this problem.
7. Twist-lock the vent cap onto the last sec-
tion of vent pipe.
Note: If the vent pipe passes through any oc-
cupied areas above the rst oor, including
storage spaces and closets, you must enclose
pipe. You may frame and sheetrock the en-
closure with standard construction material.
Make sure and meet the minimum allowable
clearances to combustibles. Do not ll any of
the required air spaces with insulation.