The CRD-320WT damper is UL approved for use in 20 different, one-hour combustible, UL rated ceiling/floor assemblies. The damper can be factory-mounted to one of seven Greenheck SP-B ceiling exhaust fans (size 50 to 200 cfm) or two low-profile SP-L fans (size 50 to 80 cfm) when required in a ceiling installation.
The combined unit is shipped ready to install eliminating field assembly for fast, easy installation. The CRD-320WT ceiling radiation damper combined with SP-B or SP-L bathroom fans, AMCA Certified for Air and Sound Performance, are ideal for multifamily structures, condos, hotels, hospitals and schools.
For more info, visit www.greenheck.com.