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CVG44" Grille for Broan In-Line Ventilators

  • Overview
  • Specifications
  • Reviews
  • Answers
    • Inlet Grille for In-Line Ventilators
    • Adjustable air flow
    • Fits 4" diameter rigid metal duct
  • Duct Size4"
    Housing Height3-1/2"
  • CVG4 is rated 4.5 out of 5 by 2.
    Rated 4 out of 5 by from Adjustable These grills look nice and are made of thick plastic. It feels durable. The best feature is that the inner ring can be adjusted to change the flow area. If you have multiple grilles running to a single fan, the adjustments can be used to balance the flow. Keep in mind that the flow area is small. I have a single 156 CFM fan running to a single grill. The velocity of the air going through the grill is fairly high so that generates some noise. The noise is fine for me but if you want to keep the noise to a minimum, I would limit the CFM to 100 or less.
    Date published: 2012-04-06
    Rated 5 out of 5 by from Nutone grille cover Good product. Attractive cover for exhaust fan. Looks more like the canister lights than a cover for a fan.
    Date published: 2011-08-11
    • y_2017, m_6, d_26, h_16
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  • How far open does CVG4 need to be for max CFM of fan to be realized?

    How do I know correct setting (all the way open?) to allow fan to operate at max CFM? Would prefer not all the way open since unit is not as attractive when fully open.
    Asked by: Anonymous
    Thank you for your question regarding the CVG4. The larger the opening, the greater the air flow is for this unit. Please contact the Technical Services Department at 1-800-637-1453 for further assistance.
    Answered by: BroanCustomerService
    Date published: 2014-09-15
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