8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll Several different electrical ratings and

Several different electrical ratings and switch configurations are available

18X14 PVC REDUCING WYE SOCKET SCH40 100PSI G

3X2 PVC CLAMP SADDLE REINFORCED FEMALE THREAD FKM ZINC BOLT

14 PVC WYE SOCKET DUCT

1K ohm at 70 degrees Fahrenheit

8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll Several different electrical ratings and8 Inch Round Motorized Damper The URD series of round motorized dampers are a double layered blade design with an integrated Poron sealing gasket. The superior design insures long life and zero maintenance. URD dampers are easy to install, easy to wire up, and come with a 5 year warranty. The URD damper is constructed of heavy 24 gauge galvanized steel with factory rolled stiffening beads. The nylon bearings and ThermoTuff drive shafts insure smooth,