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Boiler Venting
4" x 12" Z-DENS UV-Grey Polypropylene Pipe
1
2
3
4
5
6
7
8
9
10
3
4
V
ertical Flexible V
ent in Clean Unused Chimney with Chimney
Cover and Horizontal Air
15
14
13
12
11
7
5
2
1
3
10
4
V
ertical V
ent and Horizontal Air with V
er
tical T
ermination
17
16
2
3
4
5
18
7
10
1
11a
16a
Z-DENS Direct V
ent Applications*
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3
4
5
6
7
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