Attic Ventilation >Parts & Accessories >433

433Automatic Shutter (use with Models 353 and 35316 — Sold separately).

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    • Allows more air movement than conventional stationary attic louvers
    • Counter-balanced aluminum vanes open automatically when ventilator is turned on, close when fan stops
    • Flange fits flush against outside wall for neat, smooth appearance
    • Reinforced for strength; provides weather tight closure
  • (2 Questions : 2 Answers)

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    Broan 433 Shutter

    Is there a mechanical stop to prevent a lower louver to wedge itself under a higher louver by being blown past horizon in high gusty winds, and completely vertical upward? I've been experiencing this with you competitors shutter.
    Age: Over 65
    Gender: Male
    2 months, 4 weeks ago
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    Chuck
    Buckhannon, WV 26201, USA
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    Answer: 
    Thank you for your question. Yes, there is a mechanical stop on the model 433.
    2 months, 2 weeks ago
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    BroanCustomerService
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    I will need to create custom frame ( install the shutter from inside) before install fan. I need to know all detail. please provide information on space needed when shutter open up,like attached picture.
    Age: 35-44
    Gender: Female
    1 month, 2 weeks ago
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    Cathy
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    Answer: 
    Thank you for your question on the model 433 gable vent. Please contact our Technical Service Department at 800-637-1453 and we can give you all the dimensions of the vent.
    1 month, 2 weeks ago
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