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    • Product # WD-330

    Vertical mount backdraft damper, No Flange, Model WD-330

    Greenheck Product # WD-330
    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 18 of 18
    SKU DAMPER WIDTH x DAMPER HEIGHT MAX VELOCITY PRESSURE DIFFERENTIAL MAX MOUNTING POSITION PRICE LEAD TIME
    WD330-8X8
    Model: WD
    Model / Size: WD-330
    		8 x 8 in 2500 2 Vertical $121.00
    In stock 
    7 on Hand

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    WD330-9X9
    Model: WD
    Model / Size: WD-330
    		9 x 9 in 2500 2 Vertical $131.00
    15 Days
    Lead Time 

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    WD330-10X10
    Model: WD
    Model / Size: WD-330
    		10 x 10 in 2500 2 Vertical $123.00
    In stock 
    3 on Hand

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    WD330-12X12
    Model: WD
    Model / Size: WD-330
    		12 x 12 in 2500 2 Vertical $131.00
    In stock 
    23 on Hand

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    WD330-14X14
    Model: WD
    Model / Size: WD-330
    		14 x 14 in 2500 2 Vertical $155.00
    15 Days
    Lead Time 

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    WD330-15X15
    Model: WD
    Model / Size: WD-330
    		15 x 15 in 2500 2 Vertical -
    Obsolete 
    WD330-16X16
    Model: WD
    Model / Size: WD-330
    		16 x 16 in 2500 2 Vertical $155.00
    In stock 
    7 on Hand

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    WD330-17X17
    Model: WD
    Model / Size: WD-330
    		17 x 17 in 2500 2 Vertical -
    Obsolete 
    WD330-18X18
    Model: WD
    Model / Size: WD-330
    		18 x 18 in 2500 2 Vertical $192.00
    In stock 
    17 on Hand

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    WD330-20X20
    Model: WD
    Model / Size: WD-330
    		20 x 20 in 2500 2 Vertical $192.00
    15 Days
    Lead Time 

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    WD330-23X23
    Model: WD
    Model / Size: WD-330
    		23 x 23 in 2500 2 Vertical $233.00
    15 Days
    Lead Time 

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    WD330-24X24
    Model: WD
    Model / Size: WD-330
    		24 x 24 in 2500 2 Vertical $233.00
    In stock 
    3 on Hand

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    WD330-25X25
    Model: WD
    Model / Size: WD-330
    		25 x 25 in 2500 2 Vertical -
    Obsolete 
    WD330-30X30
    Model: WD
    Model / Size: WD-330
    		30 x 30 in 2500 2 Vertical -
    Obsolete 
    WD330-35X35
    Model: WD
    Model / Size: WD-330
    		35 x 35 in 2500 2 Vertical $360.00
    15 Days
    Lead Time 

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    WD330-10x6
    Model: WD
    Model / Size: WD-330
    		10 x 6 in 2500 2 Vertical $126.00
    In stock 
    5 on Hand

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    WD330-6x6
    Model: WD
    Model / Size: WD-330
    		6 x 6 in 2500 2 Vertical $125.00
    In stock 
    6 on Hand

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    WD330-48X48
    Model: WD
    Model / Size: WD-330
    		48 x 48 in 2500 2 Vertical $608.00
    15 Days
    Lead Time 

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