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36X12 Vertical Mount Backdraft Damper - Shoemaker 3550

SKU: 137763
Minimum Quantity: 1

$346.00/ea Free Shipping!

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36X12 Vertical Mount Backdraft Damper - Shoemaker 3550

SKU: 137763
$346.00/ea


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$346.00/ea

About the Shoemaker 3550-36X12

This 36"x12" Shoemaker Vertical Mount Backdraft Damper 3550 Series is made of 26-gauge galvanized blades that are vee-stiffened to add stability and strength. It has a 16-gauge channel frame and an out-of-airstream linkage. This damper is opened by air pressure differential and closed by gravity. It is available in single blades on dampers 10 inches high or less. Its blades are parallel to the first dimension given. Dampers with multiple blades feature adjustable counter balance arms mounted to the center of the blades, with adjustable weights that can be placed along the length of the arm for different opening pressures. It comes equipped with square steel pivot pins in nylon bushings and foam blade edges to reduce noise. It is available from a minimal size of 6"x6" and a maximum size of 48"x48". This backdraft damper comes with a galvanized finish. This Shoemaker 3550 is designed to fit and cover a 36" wide by 12" high opening. The quality and functionality of this damper are only two of the many reasons why Shoemaker Manufacturing leads the field in innovative air-grille design for real world applications. The Shoemaker 3550 Series has a complete line of products designed for homes, offices, stores, and many other commercial applications. The Shoemaker Manufacturing Company leads the field in innovative air-grille design and it guarantees that its products are free from defective materials. Unlike other products, Shoemaker grilles have a baked-on textured polyester powder coat that can resist scratches and does not wear or fade out easily. Please measure the hole opening size instead of measuring the face plate of your old grille. Please note that this damper is designed to fit over a 36"x12" existing hole or duct. Refer to the Specification Sheet for more information.

Product Details

Product: Vents and Terminations
Manufacturer: Shoemaker
Use: Ducting and Venting
Type:
Style: Backdraft Damper
Material: Galvanized
Mpn # 3550-36X12
Weight 17.28 lbs.

Product Features

  • Call us, if desired, to order optional Fractional O.D. sizes available
  • Dampers Are Opened By Air Pressure Differential And Closed By Gravity
  • Galvanized Finish
  • Call us, if desired, to order optional Sleeves
  • Call us, if desired, to order optional Bronze bearings
  • Call us, if desired, to order optional Outside mounting flange
  • Double blades available on dampers with a height of 8 inches or 10 inches (i.e. 3550-8x8 DB.)
  • Galvanized Finish
  • Maximum size 48 inches x 48 inches
  • Minimum size 6 inches x 6 inches
  • Foam blade edges to dampen noise
  • Square steel pivot pins in nylon bushings
  • Adjustable counter balance arms mounted to center of blades. Adjustable weights can be positioned along arm for various opening pressures. (Available only on dampers with multiple blades.)
  • Blades run parallel to first dimension given
  • Single blades on dampers with a height of 10 inches or less
  • Out of airstream linkage
  • Galvanized blades are 26 gauge and vee-stiffened for extra strength and stability

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