Greenheck Ceiling Fan with Factory-Installed Radiation Damper UL Approved for Wood Truss Applications

Greenheck now offers an option for its ceiling exhaust fan and ceiling radiation damper to be combined at the factory into one unit shipped ready to install. Model CRD-310WT, a UL Classified ceiling radiation damper for wood truss applications, can be factory-mounted to one of six Greenheck ultra-quiet SP-A fan models (size 50 to 190 cfm) eliminating field assembly for fast, easy installation. The CRD-310WT damper is UL approved for use in 20 UL classified floor/ceiling and roof/ceiling assemblies making the CRD-310WT and SP-A combination a versatile code compliance option, ideal for bathrooms and storage areas in multifamily structures, condos, hotels, hospitals and schools.

Greenheck is the worldwide leader in manufacturing and distributing air movement, conditioning and control equipment.

For more information about Greenheck products, visit or contact Greenheck, P.O. Box 410, Schofield, WI 54476-0410, (715) 359-6171, FAX (715) 355-2399.


Sara Valiska


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