Dryer Exhaust Tips
WARNING — Plastic or nonmetal flexible duct presents a potential fire hazard.
Do
Read the installation instructions and the user’s guide.
Do
Let your dryer exhaust the air easily.
Do
Use 4 inch diameter
rigid metal duct. Tape all joints, including at the dryer. Never use
Don’t
Let a poor exhaust system cause slow drying.
Don’t
Restrict your dryer with a poor exhaust system.
Don’t
Use plastic, thin foil, or
Do
Keep duct runs as straight as possible.
Do
Clean all old ducts 
before installing your new dryer. Be sure vent flap opens and closes freely. Inspect and clean the exhaust system annually.
Don’t
Use longer than necessary duct runs with many elbows.
Don’t
Allow crushed or clogged ducts and vent.
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