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118197-01D
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VENTING INSTALLATION INSTRUCTIONS
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90° Elbow
Square
Termination
Wall
Firestop
Not to Exceed (H) Limits
As Required
for (V), See
Chart for
Pipe Section
Required
45° Elbow
90° Elbow
90° Elbow
Square
Termination
Wall
Firestop
45° Elbow
12" Min.
Required
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Vertical Pipe
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*43
1
/
2
" min.
None
30" max.
54
1
/
2
" min.
1 ft.
48" max.
66
1
/
2
" min.
2 ft.
60" max.
78
1
/
2
" min.
3 ft.
84" max.
90
1
/
2
" min.
4 ft.
20' max.
* Ground Floor Corner Venting
Not to Exceed
(H) Limits
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Snorkel Termination
12"
Min.
Snorkel
Termination
Wall
Firestop
90° Elbow
45° Elbow
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Snorkel Termination
Adequate
Drainage
12" Min.
12" Min.
