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Unit Installation with Vertical Termination
due to its higher corrosion resistance. Continue
the height of the vent cap meets the minimum
vertical height must be increased.
7. Ensure vent is vertical and secure the base of
storm collar over the pipe section and seal
with a mastic.
8. Install the vertical termination cap by twist
locking it.
!
NOTE
the vent passes through must be enclosed.
Diagram 4
Vent
Height
Roof Pitch
over 7/12 to 8/12
over 8/12 to 9/12
over 9/12 to 10/12
over 10/12 to 11/12
over 11/12 to 12/12
over 12/12 to 14/12
over 14/12 to 16/12
over 16/12 to 18/12
over 18/12 to 20/12
over 20/12 to 21/12
cases. Increasing the vent height may solve the problem.
inches
mm
inches
4 ¾
121
0
9
229
6
11 ¼
286
9
13 ¼
337
12
21 ¾
552
24
30 ¼
768
36
38
965
48
See DuraVent or ICC manufacturer's guidelines for
minimum cutout dimensions or frame openings around
wall venting. Make sure clearances to combustible
material are maintained based on vent part used.
!
Cutout sizes vary according to the DuraVent or
ICC part number used.
Minimum Vent Height
Feet
2
2
2
2 ½
3 ¼
4
5
6
7
7 ½
8
Pipe Length
Height
mm
inches
0
13 ¼
152
17 ½
229
19 ½
305
21 ¾
610
30 ¼
914
39
1219
47
Meters
0.61
0.61
0.61
0.76
0.99
1.22
1.52
1.83
2.13
2.29
2.44
mm
337
445
495
552
768
991
1194
34
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