Maytag MDE20PR Installation Instructions Manual page 14

DRYER VENTING REQUIREMENTS
Vent Hoods
4" (102 mm) Diameter Exhaust Hoods
Box Hood
Vent System Length
Maximum Vent Length/Vent Connection
Maximum length of vent system depends upon the type of vent
used, number of elbows, and type of exhaust hood.
Vent System Chart (Rigid Metal Vent)
No. of Box and
90˚ Turns Louvered Hood
0 64 ft. (19.5 m)
1 54 ft. (16.5 m)
2 44 ft. (13.4 m)
3 35 ft. (10.7 m)
4 27 ft. (8.2 m)
For vent systems not covered by the vent specification chart,
see your parts distributor.
Provision must be made for enough air for combustion and
ventilation. (Check governing codes and ordinances.) See
"Recessed Area and Closet Installation Instructions" in the
"Location Requirements" sections.
A 4" (102 mm) outlet hood is preferred. However, a 2
outlet exhaust hood may be used. A 2
greater back pressure than other hood types. For permanent
installation, a stationary vent system is required.
Connect Vent
1. If connecting to existing vent, make sure the vent is clean.
2. Using a 4" (102 mm) clamp, connect vent to exhaust outlet
in dryer.
NOTE: Do not remove vent collar.
14
Louvered Hood Angled Hood
Angled
Hood
58 ft. (17.7 m)
48 ft. (14.6 m)
38 ft. (11.6 m)
29 ft. (8.8 m)
21 ft. (6.4 m)
⁄ " (64 mm)
1
2
⁄ " (64 mm) outlet creates
1
2
Vent Collar
Exhaust hood must be at least 12" (305 mm) from the ground or
any object that may be in the path of the exhaust (such as flowers,
rocks, bushes, or snow).
3. Tighten hose clamp with Phillips screwdriver.
4. Make sure the vent is secured to exhaust hood with
a 4" (102 mm) clamp.
5. Move dryer into final position. Do not crush or kink vent.
Make sure dryer is level.
NOTE: Testing for proper ventilation should be done with a
Manometer. Minimum: 0.01" (0.2 mm). Maximum: 0.6" (16 mm).
12" min.
(305 mm)