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Shutter,Wall,20 In close
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Shutter, Wall, 20 In

DAYTON

Price: $67.85 / each

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  • Item # 4C559
  • Mfr. Model # 4C559
  • UNSPSC # 40101504
  • Catalog Page # 4103
  • Shipping Weight 6.3 lbs.
Country of Origin USACountry of Origin is subject to change.

Technical Specs

  • ItemBackdraft Damper / Wall Shutter
  • Fits Fan Dia.20"
  • Overall Square23"
  • Opening Required20-1/2" x 20-1/2"
  • Frame Depth2-1/2"
  • Open Depth5-3/4"
  • Flange Width1-1/2"
  • Mounting Hole SizePrepunched
  • Free Area2.281 sq.ft.
  • Max. Velocity2500 FPM
  • Mounting PositionVertical
  • Blade MaterialWhite Painted Aluminum
  • Construction MaterialExtruded Aluminum Frame and G-90 Galvanized Tie Rod
  • For Use WithVertical Mounted Exhaust Fans
  • Number of Panels1
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  • 4C559

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Product Q&A

(1 Question : 1 Answer)

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Occasionally the blades seem to stick.
Just a touch and they close.
2 years, 3 months ago
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Answers

Answer: 
There are no oil ports for this louver. However you should be able to lubricate the mechanical hinge for better operation. You may also want to check that you do not have contaminates in the air flow passing through the louver that may be building up on the mechanical hinges.

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2 years, 3 months ago
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