Our office will be closed Thursday, January 1st,  in observance of New Year’s Day. Our warehouse will be closed for shipping on Dec. 31st  and Jan. 1st, orders will resume shipping on Jan. 2nd.

  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.
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    • 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 DESCRIPTION PRICE LEAD TIME
    WD100-8X8
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-8X8 $95.00
    In stock 
    92 on Hand

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    WD100-10X10
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-10X10 $104.00
    In stock 
    206 on Hand

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    WD100-12X12
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-12X12 $113.00
    In stock 
    218 on Hand

    Add to Compare List
    WD100-16X16
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-16X16 $130.00
    15 Days
    Lead Time 

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    WD100-18X18
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-18X18 $170.00
    In stock 
    47 on Hand

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    WD100-24X24
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-24X24 $223.00
    15 Days
    Lead Time 

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    WD100-30X30
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-30X30 $245.00
    In stock 
    11 on Hand

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    WD100-34X34
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-34X34 $408.00
    15 Days
    Lead Time 

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    WD100-36x36
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-36x36 $372.00
    In stock 
    10 on Hand

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    WD100-48x48
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-48x48 $548.00
    In stock 
    9 on Hand

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    WD100-48x96
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-48x96 $1,097.00
    15 Days
    Lead Time 

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