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    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 DAMPER WIDTH x DAMPER HEIGHT MAX VELOCITY PRESSURE DIFFERENTIAL MAX MOUNTING POSITION PRICE
    Model / Size: WD-330
    8 x 8 in 2500 2 Vertical $86.22
    Model / Size: WD-330
    9 x 9 in 2500 2 Vertical $93.35
    Model / Size: WD-330
    10 x 10 in 2500 2 Vertical $93.35
    Model / Size: WD-330
    12 x 12 in 2500 2 Vertical $93.35
    Model / Size: WD-330
    14 x 14 in 2500 2 Vertical $110.45
    Model / Size: WD-330
    15 x 15 in 2500 2 Vertical $110.45
    Model / Size: WD-330
    16 x 16 in 2500 2 Vertical $110.45
    Model / Size: WD-330
    17 x 17 in 2500 2 Vertical $127.56
    Model / Size: WD-330
    18 x 18 in 2500 2 Vertical $127.56
    Model / Size: WD-330
    20 x 20 in 2500 2 Vertical $134.68
    Model / Size: WD-330
    23 x 23 in 2500 2 Vertical $158.20
    Model / Size: WD-330
    24 x 24 in 2500 2 Vertical $166.04
    Model / Size: WD-330
    25 x 25 in 2500 2 Vertical $178.15
    Model / Size: WD-330
    30 x 30 in 2500 2 Vertical $192.40
    Model / Size: WD-330
    35 x 35 in 2500 2 Vertical $208.08