Winter weather and extreme cold are causing shipping delays for small parcel and LTL carriers in certain parts of the country, including expedited shipments. Please expect extended lead times.

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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
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  • 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 
    73 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 
    190 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 
    300 on Hand

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    WD100-16X16
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-16X16 $130.00
    In stock 
    11 on Hand

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

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    WD100-24X24
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-24X24 $223.00
    In stock 
    99 on Hand

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    WD100-30X30
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-30X30 $245.00
    In stock 
    16 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 
    12 on Hand

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    WD100-48x48
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-48x48 $548.00
    3 Days
    Lead Time 

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    WD100-48x96
    Model: WD
    Model / Size: WD-100
    		Backdraft Damper, Horizontal Mount, Product # WD100-48x96 $1,097.00
    In stock 
    9 on Hand

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