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Safety Instructions
Installation Instructions
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EXHAUST REQUIREMENTS
Number of 90°
Elbows
Weather Hood Type
Recommended
Maximum length of 4” (10.2 cm) diameter rigid metal duct
Maximum length of 4” (10.2 cm) diameter flexible metal duct
NOTE : Deduct 6 feet (1.8 m) for each additional elbow.
Use Only for Short Run Installations
0
1
2
3
4
65 feet (19.8 m)
55 feet (16.8 m)
47 feet (14.3 m)
36 feet (11.0 m)
28 feet (8.5 m)
45 feet (13.7 m)
35 feet (10.7 m)
30 feet (9.1 m)
25 feet (7.6 m)
20 feet (6.1 m)
55 feet (16.8 m)
47 feet (14.3 m)
41 feet (12.5 m)
30 feet (9.1 m)
22 feet (6.7 m)
35 feet (10.7 m)
27 feet (8.2 m)
21 feet (6.4 m)
17 feet (5.2 m)
15 feet (4.5m)
0
1
2
3
4
4”
(10.2 cm)
4”
(10.2 cm)
2-1/2”
(6.35 cm)
[ Table. 1]