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DUCTING REQUIREMENTS
RecommendedUse only for short-run
installation
Weather Hood
Type
4" DIA
4" DIA
4"
4 inch. (10.2 cm)
4" DIA
2-1/2"
2.5 inch. (6.4 cm)
No. of 90°
elbows
Rigid MetallicRigid Metallic
090 ft. (27.4 m)60 ft. (18.3 m)
160 ft. (18.3 m)45 ft. (13.7 m)
245 ft. (13.7 m)35 ft. (10.7 m)
335 ft. (10.7 m)25 ft. ( 7.6 m)
Manometer measurements
The static pressure in any exhaust system for best results shall be between
0.3 to 0.8 inches of water column, and cannot be less than 0 under any
circumstances. with installed duct of 4 inch diameter. Measurement must
be done with the empty dryer working with a manometer at the point
where the exhaust duct connects to the dryer. A no-heat setting should be
used. Lint filter must be clean.
If this new dryer is installed into an existing exhaust system you must make
sure:
• The exhaust system meets all local, state, and national codes.
• That a flexible plastic duct is not used.
• To inspect and clean all lint buildup from inside the existing duct.
• The duct is not dented or crushed.
• The exhaust hood damper opens and closes freely.
Dryer
Safety
Operation
Requirements
Parts and
Features
Installation
Instructions
Dryer Use
Appendix
Dryer Care
Troubleshooting
12
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