Heat & Glo ST-HV-IPI Owner's Manual page 22

VENTING WITH THREE 90° ELBOWS
V + V
90 Elbow on top
0
1' MIN. (305mm)
2' MIN. (610mm)
3' MIN. (914mm)
4' MIN. (1.22m)
5' MIN. (1.5m)
6' MIN. (1.83m)
V+ V
V
1
Figure 19. Venting with three 90° elbows
Heat & Glo • PIER-HV-IPI, ST-HV-IPI, L&R-COR-HV-IPI • 2005-900 Rev. M • 9/08
H
1
NATURAL GAS
(FT.) (FT.)
1 1
H + H
2.5' MAX. (64mm)
3' MAX. (914mm)
6' MAX. (1.83m)
9' MAX. (2.7m)
12' MAX. (3.6m)
15' MAX. (4.5m)
18' MAX. (5.5m)
+ H + H = 50' MAX. (15.2m)
1 1
H + H = 18' MAX. (5.5m)
1
H
1
V
1
H
PROPANE
VENTING WITH THREE 90° ELBOWS
(FT.)
V + V 1 H + H
90 Elbow on top 2' MAX. (610mm)
0
1' MIN. (305mm) 2' MAX. (610mm)
2' MIN. (610mm) 4' MAX. (1.22m)
3' MIN. (914mm) 6' MAX. (1.83m)
4' MIN. (1.22m) 8' MAX. (2.4m)
5' MIN. (1.5m) 10' MAX. (3.0m)
6' MIN. (1.83m) 12' MAX. (3.6m)
+ H + H = 50' MAX. (15.2m)
V+ V
1
1
H + H = 12' MAX. (3.6m)
1
V
H
V
(FT.)
1
29