10
VENTING WITH TWO (2) 90° ELBOWS
V (FT.)
H (FT.)
3' MIN. (914mm)
6' MAX. (1.9m)
4' MIN. (1.2m)
8' MAX. (2.4m)
5' MIN. (1.6m)
10' MAX. (3.1m)
6' MIN. (1.9m)
12' MAX. (3.6m)
V + H + H
1
= 30’ MAX. (9.3 m)
Ratio V to H + H
1
= 1:2
Figure 8. Venting with two 90° elbows
VENTING WITH TWO (2) 90° ELBOWS
V (FT.)
H (FT.)
3' MIN. (914 mm)
6' MAX. (1.9m)
4' MIN. (1.2m)
8' MAX. (2.4m)
5' MIN. (1.6m)
10' MAX. (3.1m)
6' MIN. (1.9m)
12' MAX. (3.6m)
V + V
1
+ H
1
= 30’ MAX. (9.3 m)
Ratio V to H = 1:2
H = 20' MAX. (6.2m)
H = 20' MAX. (6.2m)
NOTE: SRV570-290 Heat
Shield is required above
elbow if clearance is less
than 4 inches (102mm).