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Use only 4 inch (10.2 cm) diameter (minimum) rigid or flexible metal duct and
approved vent hood which has a swing-out damper hat open when the dryer is
in operation. When the dryer stops, the dampers automatically close to prevent
drafts and the entrance of insects and rodents. To avoid restricting the outlet,
maintain a minimum of 12 inches (30.5 cm) clearance between the vent hood
and the ground or any other obstruction. The vent flap should be able to move
freely.
MAXIMUM EXHAUST LENGTH
Rigid Metal Duct
VENT HOOD TYPE
Number (preferred)
of
Louvered
90 °
o,bows-'14"I" -'12'21`-
(10,2 cm) 16.35 crn)
0 60ft. 11828 m) 48ft. 114.63 m}
1 52ff. 115.84 m) 40ft. 112.19 m)
2 44fl. (13.41 m) 32fl. (9.75 m)
3 32ft (9.75 m) 24ft. 17.31 m)
4 28ff. (&53 m) 16fl. (4.87 m)
Number
of
90 °
elbows
0
1
2
FlexibleMetal Duct
VENT HOOD TYPE
(preferred)
"',, Louvered
14"1-
(10.2cm)
30ft.(9.14 m)
22fl.16.71m)
14ff 14.27m)
-_12v_"l*
(6.35 cm)
18ft. (5.49 m)
14ft. (4.27 m)
1OPt.(3.05 m)
INSTALLMALEFI1TINGSIN THECORRECTDIRECTION
18
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