Plan Vent System
Choose your exhaust installation type
Recommended exhaust installation:
A | B | C | |
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| D | |
| F | E | |
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| G | |
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| B | |
| H |
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A. Dryer | F. Rigid metal or | ||
B. Elbow | flexible | metal vent | |
G. Vent length necessary | |||
C. Wall | |||
to connect elbows | |||
D. Exhaust hood | |||
H. Exhaust outlet | |||
E. Clamps | |||
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Alternate installations for close clearances:
Venting systems come in many varieties. Select the type best for your installation. A
Special provisions for mobile homes:
Exhaust vent must be securely fastened to a noncombustible portion of mobile home and must not terminate beneath the mobile home. Terminate exhaust vent outside.
Determine vent path:
nSelect route that will provide straightest and most direct path outdoors.
nPlan installation to use fewest number of elbows and turns.
nWhen using elbows or making turns, allow as much room as possible.
nBend vent gradually to avoid kinking.
nUse as few 90° turns as possible.
Determine vent length and elbows needed for best drying performance:
Use the following “Vent System Chart” to determine type of vent material and hood combinations acceptable to use.
NOTE: Do not use vent runs longer than those specified in “Vent System Chart.”
Exhaust systems longer than those specified will: ■■Shorten life of dryer.
■■Reduce performance, resulting in longer drying times and increased energy usage.
The “Vent System Chart” provides venting requirements that will help achieve best drying performance.
Vent System Chart
Number of | Type | Box/louvered | Angled |
90° elbows | of vent | hoods | hoods |
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0 | Rigid metal | 90 ft. (27.4 m) | 80 ft. (24.4 m) |
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1 | Rigid metal | 80 ft. (24.4 m) | 70 ft. (21.3 m) |
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2 | Rigid metal | 70 ft. (21.3 m) | 60 ft. (18.3 m) |
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