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Combo Louver Damper, Adj, 35-1/2 H, Alum

Price $795.50 / each

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  • Item # 5NKH9
  • Mfr. Model # 5NKH9
  • UNSPSC # 30161901
  • Catalog Page # 4106
  • Shipping Weight 45.0 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemCombination Louver Damper
  • TypeAdjustable Damper
  • Max. Exhaust (CFM)3781
  • Max. Intake (CFM)2406
  • Inside Height (In.)30
  • Outside Height (In.)35-1/2
  • Inside Width (In.)33
  • Outside Width (In.)35-1/2
  • Min. Wall Opening (In.)36H X 36W
  • Flange Width (In.)1-1/4
  • Number of Blades7
  • Free Area (Square-Ft.)3.667
  • Max. Velocity (FPM)3000
  • Blade Angle (Deg.)45/90
  • Construction MaterialAluminum
  • For Use WithIntake or Exhaust Applications
  • IncludesBird Screen and Screen Fasteners
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Compliance and Restrictions



Mount on outside wall to maintain airflow while protecting intake and exhaust openings from weather. Drainable aluminum frame has both fixed and TPV-sealed pivoting louvers for weathertight closure. Includes removable 1/2" flattened birdscreen mounted on interior. Manual open and close; optional motor kit sold separately.

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