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12
VENTING WITH THREE (3) 90° ELBOWS
V (FT.)
H + H
1
(FT.)
1' MIN. (305mm)
4' MAX. (1.22m)
2' MIN. (610mm)
8' MAX. (2.4m)
3' MIN. (914mm)
12' MAX. (3.7m)
4' MIN. (1.22m)
16' MAX. (4.9m)
NOTE: H + H
1
= 16' MAX. (4.9m)
V + V
1
+ H + H
1
= 36' MAX. (10.9m)
V (FT.)
H + H
1
(FT.)
1' MIN. (305mm) 4' MAX. (1.22m)
2' MIN. (610mm) 8' MAX. (2.4m)
3' MIN. (914mm)
12' MAX. (3.7m)
4' MIN. (1.22m)
16' MAX. (4.9m)
H +H
1
= 16' MAX. (4.9m)
NOTE:
V+V
1
+H +H
1
= 36' MAX. (10.9m)
H
1
V
1
H
V
FIGURE 13.
Flueing with three 90° elbows