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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 15 of 15
    SKU DESCRIPTION PRICE LEAD TIME
    WD330-8X8
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-8X8 $109.87
    In stock 
    16 on Hand

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    WD330-9X9
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-9X9 $118.96
    In stock 
    37 on Hand

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    WD330-10X10
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-10X10 $118.96
    In stock 
    18 on Hand

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    WD330-12X12
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-12X12 $118.96
    In stock 
    125 on Hand

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    WD330-14X14
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-14X14 $140.74
    In stock 
    28 on Hand

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    WD330-15X15
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-15X15 $140.74
    In stock 
    1 on Hand

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    WD330-16X16
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-16X16 $140.74
    In stock 
    59 on Hand

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    WD330-17X17
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-17X17 $171.61
    15 Days
    Lead Time 

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    WD330-18X18
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-18X18 $171.61
    In stock 
    48 on Hand

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    WD330-20X20
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-20X20 $171.61
    In stock 
    171 on Hand

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    WD330-23X23
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-23X23 $208.25
    In stock 
    94 on Hand

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    WD330-24X24
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-24X24 $211.57
    In stock 
    50 on Hand

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    WD330-25X25
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-25X25 $227.00
    In stock 
    15 on Hand

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    WD330-30X30
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-30X30 $286.01
    In stock 
    8 on Hand

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    WD330-35X35
    Model: WD
    Model / Size: WD-330
    		Backdraft Damper, Vertical Mount, Product # WD330-35X35 $321.77
    In stock 
    50 on Hand

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