Round Backdraft Dampers Now Available from Greenheck

October, 2008

Round Backdraft Dampers Now Available from Greenheck

Two new round backdraft dampers, Models WDR-53 and SSWDR-53, from Greenheck can be installed horizontally for vertical up/down airflow or mounted vertically for horizontal airflow. Model WDR-53 features a galvanized steel frame with aluminum blade; Model SSWDR-53 is constructed with a 304 stainless steel frame and blade. Both models are available with an optional top frame extension.  Models WDR-53 and SSWDR-53 are rated for velocities up to 2000 fpm and pressures up to 2-inch wg in diameter sizes from 4-inch to 24-inch.


Greenheck offers the most UL classified dampers and the largest selection of AMCA licensed dampers and louvers in the industry.

To obtain more information about this Greenheck announcement you may:

  1. Request information via e-mail
  2. Contact your local Greenheck Representative
  3. Phone us at (715) 359-6171 or fax us at (715) 355-2399
  4. Write us at Greenheck, P.O. Box 410, Schofield, WI 54476-0410
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