
22
V (FT.) H + H
1
(FT.)
1' MIN. (305mm) 4' MAX. (1.22m)
2' MIN. (610mm) 8 MAX. (2.48m)
3' MIN. (914mm) 12' MAX. (3.72m)
4' MIN. (1.22m) 16' MAX. (4.8m)
16 MAX. (4.8m)
V + V
1
+ H + H
1
= 30' (9m) MAX.
VENTING WITH THREE (3) 90° ELBOWS
FOR MODEL SL-36 (CLEAN FACE VERSION):
V = 3-FEET (914mm) MINIMUM IN TABLES
V (FT.)
H (FT.)
H + H
1
(FT.)
1' MIN. (305mm) 2' MAX. (610mm)
4' MAX. (1.22m)
2' MIN. (610mm) 4' MAX. (1.22m)
8' MAX. (2.48m)
3' MIN. (914mm) 6' MAX. (1.86m)
12' MAX. (3.72m)
4' MIN. (1.22m) 8' MAX. (2.48m)
16' MAX. (4.8m)
8' MAX. (2.48m)
16' MAX. (4.8m)
V+ V
1
+ H + H
1
= 30' (9m) MAX.
VENTING WITH THREE (3) 90° ELBOWS
Figure 18. Venting with three 90° elbows
NOTE:MAXIMUM HORIZONTAL RUN
IS 11 (3.3M) ON UNITS EQUIPPED
WITH A VARIABLE VALVE.