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L400KLVentilator; 375 CFM Straight Through, 3.1 Sones; 380 CFM Right Angle, 2.0 Sones. 120V

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  • Incredibly reliable. Unbelievably quiet. Offering the CFM choices you need at the lowest sound levels in the industry.
    • Low RPM for quiet operation
    • Resilient anti-vibration mounts
    • Balanced, polymeric, centrifugal blower wheel for quiet, efficient performance (Models L400KL & L500KL - dynamically-balance metal wheel)
    • Plug-in motor rated at 120 VAC
    • Designed for continuous operation
    • 4½” x 18½” duct connector
    • 8-position mounting brackets for easy installation and greater adaptability to various mounting requirements
    • Automatic backdraft damper located within duct connector
    • Suitable for kitchens
  • Bathrooms up to (X) Square FeetN/A
    Ceiling InstallationYes
    CFM @ 0.10"385
    CFM @ 0.125"375
    CFM @ 0.25"330
    ColorN/A
    CSANo
    cUL ListedYes
    Duct DirectionHorizontal or Vertical
    Duct Size4-1/2" x 18-1/2"
    ENERGY STAR® certified productNo
    Globe ColorN/A
    Grille FinishN/A
    Grille LengthN/A
    Grille WidthN/A
    Heater wattageN/A
    Housing Dimension LxWxH12-1/4" x 12-1/2" x 11-3/4"
    Housing Height11-3/4"
    Housing Length12-1/4"
    Housing Width12-1/2"
    Humidity SensingNo
    HVI CertifiedNo
    Light Bulb Quantity0
    Light Bulb WattageN/A
    Light Bulb(s) IncludedNo
    Lighting TypeNo Light
    MaterialN/A
    Minimum construction space requiredN/A
    Motor engineered for continuous operationYes
    NightlightNo
    Product Weight36.3 lbs
    Project PackNo
    Rated Amps1.4
    Rated Sones - Vertical2.7
    Rated Watts146
    Sones2.7
    UL Listed for use over bathtubs or showers when connected to a GFCI circuitNo
    Wall InstallationYes
    Warranty1 Year
    Watts @ 0.1"146
    Watts @ 0.25"N/A
  • L400KL is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Quiet Quiet operation, difficult to install in small attic space. Did not come with grill. I would use again.
    Date published: 2014-10-12
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  • Is this unit rated for grease?

    Technical support recommended this vent to me as a option for my kitchen ventilation. Is this rated for grease? I don't see it noted in the specs.
    Asked by: phook1625
    Thank you for your question on the model L400KL exhaust fan. The L400KL is UL approved for use in a kitchen installation. Please contact the Technical Service Department at 800-637-1453 for further assistance.
    Answered by: BroanCustomerService
    Date published: 2014-08-05

    Please advise for above a kitchen island with induction.

    We don't need the makeup air duct, because we have our windows open all the time in Hawaii. We can't hang a traditional hood above our island, so we love this approach. We do want to have a grease filter (because this is a kitchen). Is this our best model? Or, will the L300KMG do the trick? We couldn't find a grease filter for the L300KMG.
    Asked by: JaHaa
    Aloha and thank you for your question! The L300KMG is designed for kitchen application and uses a metal grille and blower wheel. It does offer an optional aluminum filter model number LAF1. Should you have further questions about your particular installation, please contact Technical Support at 800-637-1453. Thank you for your interest in Broan ventilation fans!
    Answered by: BroanCustomerService
    Date published: 2016-03-14
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