Greenheck will be closed November 26th and 27th in observance of the Thanksgiving holiday. Order shipments will resume on Monday, November 30th.  

Greenheck will be closed November 26th and 27th in observance of the Thanksgiving holiday. Order shipments will resume on Monday, November 30th.  

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    Backdraft damper, vertical mount, Model BD-320, 12 In Sq, Flange on Discharge, Performance up to 1,500 ft/min

    Greenheck Product # BD320-12X12
    Price
    $93.35
    Free shipping

    • Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
    • AMCA certified for Air Leakage and Air Performance
    • Width and height furnished approximately 0.125 in. under size

    Certifications:

    • AMCA Air & Leakage
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    Product Description

    The BD-320 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a galvanized steel frame with a flange on the discharge side and aluminum blades.

    California Residents - Prop 65 Warning