Heat-N-Glo SL-350DVT Installer's Manual page 14

Use D-Series
components only.
V
Figure 12. Venting with Two 90° Elbows
V H
1' MIN. (305 mm) 2' MAX. (610 mm)
2' MIN. (610 mm) 4' MAX. (1.22 m)
3' MIN. (914 mm) 6' MAX. (1.86 m)
4' MIN. (1.22 m) 8' MAX. (2.48 m)
V+H+H = 40' MAX. (12.4 m)
1
H
1
V (FT)
1' MIN. (305 mm)
2' MIN. (610 mm)
3' MIN. (914 mm)
4' MIN. (1.22 m)
H + H
V + H + H = 40' (12.2m) MAX.
1
Note: There MUST be a 25% reduction
in total H when using flex vent.
H
1
H + H
1
4' MAX. (1.22m)
8' MAX. (2.4m)
12' MAX. (3.6m)
16' MAX. (4.8m)
H = 8' MAX. (2.48 m) H+H
1
V
H
H + H (FT)
1
2' MAX. (610 mm)
4' MAX. (1.22 m)
6' MAX. (1.86 m)
8' MAX. (2.48 m)
= 8' MAX. (2.48 m)
1
H
18
= 16' MAX. (4.8m)