¹û¶³ÊÓƵ

 
  DETAILS
Shipping Cutoff Times
Shipping Type Order By
Standard Ground Small Parcel
FREE - On orders over $25 View Transit Map 		7:00 PM CST
Next Day Air
(Calculated at checkout) 		3:00 PM CST
Standard Ground Freight
FREE - On orders over $25 		1:00 PM CST
  • Shipping cutoff times apply to in-stock items. Please note item lead-times when placing your order.
  • Orders placed on weekends or holidays will be processed the next business day.
Questions? Give us a call at 1-800-355-5354
    Close
    Menu

    By Product Models

    By Part Categories

    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10024/ATU Category.png
    Air Terminal Units
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/blowers_master.png
    Blowers and Wheels
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/compressor_master.png
    Compressors
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/controls_master.png
    Controls, Sensors and Igniters
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/dampers_master.png
    Dampers
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/electrical_master.png
    Electrical Components
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/fabricated_shroud.png
    Fabricated Components
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/filters_master.png
    Filters
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/fire_master.png
    Fire Systems
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/fittings_valve.png
    Fittings and Valves
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/hardware_master.png
    Hardware
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/insulation_master.png
    Insulation and Other
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/isolators_master.png
    Isolators and Elastomers
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/labels_iom.png
    Labels and Literature
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/motors_master.png
    Motors, Bases and Drives
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/paint_other.png
    Paint
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/power_master.png
    Power Transmission
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/prop_assemblies_master.png
    Prop Assemblies
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/screens_guard.png
    Screens, Grilles and Guards
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/sp_master.png
    SP/CSP Parts
    https://content.greenheck.com/public/DAMProd/Website_Square_Desktop/10007/tap_master.png
    Tempered Air Products
    Having trouble finding what you need? Give us a call at 1-800-355-5354.
    • Product # WD-100

    Horizontal mount backdraft damper, No Flange, Model WD-100

    Greenheck Product # WD-100
    Model WD is a backdraft damper used in ventilation systems, allowing airflow in one direction and preventing airflow in the opposite direction.Rated for duct velocities up to 2,500 ft/min.Horizontal and vertical mounting options.

    Product Variants

    Showing 11 of 11
    SKU DAMPER WIDTH x DAMPER HEIGHT MAX VELOCITY PRESSURE DIFFERENTIAL MAX MOUNTING POSITION PRICE LEAD TIME
    WD100-8X8
    Model: WD
    Model / Size: WD-100
    		8 x 8 in 2500 1 Horizontal $95.00
    In stock 
    211 on Hand

    Add to Compare List
    WD100-10X10
    Model: WD
    Model / Size: WD-100
    		10 x 10 in 2500 1 Horizontal $104.00
    In stock 
    501 on Hand

    Add to Compare List
    WD100-12X12
    Model: WD
    Model / Size: WD-100
    		12 x 12 in 2500 1 Horizontal $113.00
    In stock 
    790 on Hand

    Add to Compare List
    WD100-16X16
    Model: WD
    Model / Size: WD-100
    		16 x 16 in 2500 1 Horizontal $130.00
    In stock 
    216 on Hand

    Add to Compare List
    WD100-18X18
    Model: WD
    Model / Size: WD-100
    		18 x 18 in 2500 1 Horizontal $170.00
    In stock 
    73 on Hand

    Add to Compare List
    WD100-24X24
    Model: WD
    Model / Size: WD-100
    		24 x 24 in 2500 1 Horizontal $223.00
    In stock 
    563 on Hand

    Add to Compare List
    WD100-30X30
    Model: WD
    Model / Size: WD-100
    		30 x 30 in 2500 1 Horizontal $245.00
    In stock 
    28 on Hand

    Add to Compare List
    WD100-34X34
    Model: WD
    Model / Size: WD-100
    		34 x 34 in 2500 1 Horizontal $408.00
    In stock 
    53 on Hand

    Add to Compare List
    WD100-36x36
    Model: WD
    Model / Size: WD-100
    		36 x 36 in 2500 1 Horizontal $372.00
    In stock 
    23 on Hand

    Add to Compare List
    WD100-48x48
    Model: WD
    Model / Size: WD-100
    		48 x 48 in 2500 1 Horizontal $548.00
    In stock 
    56 on Hand

    Add to Compare List
    WD100-48x96
    Model: WD
    Model / Size: WD-100
    		48 x 96 in 2500 1 Horizontal $1,097.00
    In stock 
    10 on Hand

    Add to Compare List

    New Products, Deals, and More



    © 2026 ¹û¶³ÊÓƵ. All rights reserved.
    Shipping| Terms And Conditions| Compliance Policies| Privacy Statement
    shop@greenheck.com." />