Maintenance Guides / Laundry

Service dryer booster fan

Difficulty: moderateTime: 45 mins

Why it matters

Long vent runs need booster fans; clogs cause lint backup and fire.

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How to do it

  • 1

    Unplug dryer.

  • 2

    Locate booster fan in attic/crawl.

  • 3

    Vacuum lint from fan intake.

  • 4

    Check outside vent hood for clogs.

  • 5

    Use vent brush to clear blockages.

  • 6

    Verify hood damper opens freely when dryer runs.