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116647-01B 15
6. Continue to add pipe sections until the height
of the vent cap meets the minimum building
code requirements described in Figure 7 on
page 7. Note: You must increase vent height
for steep roof pitches. Nearby trees, adjoining
rooines, 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 section
of vent pipe.
Note: If the vent pipe passes through any occupied
areas above the rst oor, including storage spaces
and closets, you must enclose pipe. You may
frame and sheetrock the enclosure 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.
Vertical Termination Congurations
Figures 21 through 24 show four different con-
gurations for vertical termination.
VENTING INSTALLATION
INSTRUCTIONS
Continued
Figure 21 - Vertical Venting
Conguration Using Two 90° Elbows
with Two Horizontal Runs (Vertical
Round High Wind Termination Shown)
Venting with Two 90° Elbows
Horizontal (H
1
) +
Vertical (V) Horizontal (H
2
)
5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Note: Install
restrictor into
inner collar of
replace as
shown.
45° Elbow
Figure 22 - Vertical Venting Conguration
Using One 90° Elbow (Vertical Round
High Wind Termination Shown)
Venting with Two 90° Elbows
Vertical (V
1
) Horizontal (H)
5' min. 6' max.
6' min. 12' max.
7' min. 18' max.
8' min. 20' max.
Note: Vertical (V
1
) + Vertical (V
2
) = 40' max.
Figure 23 - Vertical Venting Conguration
Using Two 90° Elbows (Vertical Round
High Wind Termination Shown)
Venting with One 90° Elbow
Vertical (V) Horizontal (H)
5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Note: Install restrictor
into inner collar of
replace as shown.
45° Elbow
Note: Install
restrictor into
inner collar of
replace as
shown.
45° Elbow