In observance of Memorial Day, Greenheck will be closed Monday, May 27th. Order shipments will resume Tuesday, May 28th.


    Ceiling Radiation Damper, Size 320, For Lighted Model SP A200-A390 and B50-B200

    Greenheck Product # 846347

    The SP Ceiling Radiation damper protects fire rated ceilings and effectively blocks the spread of heat and flames through the building's ventilation system. This damper is UL Classified; rated at three to four hours fire resistance. For use with Lighted SP Fans.

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