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Ducting requirements
Weather hood
type
No. of 90°
elbows
0
1
2
3
NOTE
* Use a 4-inch (10.2 cm) diameter rigid aluminum or galvanized steel duct.
If you integrate the dryer's vent system with an existing exhaust system:
• Make sure the exhaust system meets all applicable local, state, and national regulations.
• Verify you are not using flexible plastic duct.
• Make sure to check for and remove all lint buildup from inside the existing ducts.
• Confirm the duct is not kinked or crushed.
• Make sure the exhaust hood damper opens and closes freely.
Manometer measurements
The static pressure in any exhaust system must not exceed 0.83 inches of water column
or be less than 0. Note that these values are measured with the dryer running with a
manometer presented to the exhaust duct that connects to the dryer. The dryer tumbler
must be empty and lint filter clean.
DV7700K-03170U-00_EN (US)_151126.indd 11
Recommended
4" (10.2 cm)
Metallic
Rigid
flexible*
80 ft. (24.4 m)
41 ft. (12.4 m)
68 ft. (20.7 m)
37 ft. (11.2 m)
57 ft. (17.4 m)
33 ft. (10.1 m)
47 ft. (14.3 m)
29 ft. (8.8 m)
Use only for short-run installation
2.5" (6.4 cm)
Metallic
Rigid
flexible*
74 ft. (22.6 m)
33 ft. (10.1 m)
62 ft. (18.9 m)
29 ft. (8.8 m)
51 ft. (15.5 m)
25 ft. (7.6 m)
41 ft. (12.5 m)
21 ft. (6.5 m)
English 11
2015-11-26
12:38:15
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