Check Availability

    Louver Damper,Adjustable,42H x 42W

  • Item # 20UA28
  • Mfr. Model # 20UA28
Louver Damper,Adjustable,42H x 42W
Invalid Quantity

Product Details

Designed to protect air intake and exhaust openings from rain and weather while still providing excellent air flow. Mill-finish extruded aluminum drainable frame is 4 deep, 0.081" thick, and has 45° fixed louvers spaced on 4" centers, with pivoting louvers and TPV seals for weathertight closure. Includes 1/2" flattened birdscreen in removable frame mounted on interior. Standard manually-operated linkage kit for opening and closing. Unit also comes with a flange kit that speeds installation by eliminating the need for site-fabricating flashing, while providing weather protection by covering small gaps in installations. Presized aluminum extrusion construction with prepunched mounting holes; mounting hardware included. Optional Motor Kit No. 5NKP0 is sold separately.
Show More Close

Technical Specifications

Item # 20UA28
Mfr. Model # 20UA28
UNSPSC #40101504
Catalog Page 2935
Shipping Weight 61.5 lbs
Country of Origin USA *
Item Combination Louver Damper
Louver Type Drainable with Flange Kit
Louver Max. Exhaust 8417 cfm
Louver Max. Intake 5886 cfm
Intake Louver Outside Height 44-1/2"
Intake Louver Inside Width 39"
Louver Free Area 5.010 sq. ft.
Louver Material Extruded Aluminum
Louver Item Combination Louver Damper
Min. Wall Opening (In.) 42H x 42W
Flange Width (In.) 1-1/2
Number of Blades 9
Inside Height (In.) 36
Max. Velocity (FPM) 3000
Outside Width (In.) 44-1/2
Blade Angle (Deg.) 45/90
For Use With Intake or Exhaust Applications
Includes Bird Screen
* This product's country of origin is subject to change

Compliance and Restrictions