MUST be exhausted to the outside of the dwelling!
MUST
Explosion hazard.
MAXIMUM LENGTH
of 4 (10.2 cm) Dia. Rigid Metal Duct
VENT HOOD TYPE
(Preferred)
Number
of
90°
4
Turns
(10.2 cm)
0
60 ft.
1
52 ft.
2
44 ft.
3
32 ft.
4
28 ft.
CORRECT
CORRECT
C O R R E C T
INSTALL MALE FITTINGS IN CORRECT DIRECTION
The dryer exhaust system
MUST NOT
MAXIMUM LENGTH"
Louvered
2½"
(6.35 cm)
(18.28 m)
48 ft.(14.63 m)
(15.84 m)
40 ft.(12.19 m)
(13.41 m)
32 ft. (9.75 m)
(9.75 m)
24 ft. (7.31 m)
(8.53 m)
16 ft. (4.87 m)
INCORRECT
INCORRECT
I N C O R R E C T
of 4 (10.2 cm) Dia. Flexible Metal Duct
Number
of
90°
Turns
(10.2 cm)
0
30 ft.
1
22 ft.
2
14 ft.
3
27
MAXIMUM LENGTH
VENT HOOD TYPE
(Preferred)
Louvered
(9.14 m)
18 ft. (5.49 m)
(6.71 m)
14 ft. (4.27 m)
(4.27 m)
10 ft. (3.05 m)
NOT RECOMMENDED
MUST NOT
2½"
(6.35 cm)