5 RSD | 5 Inch Round Motorized Spring Return Damper | EWC Controls Additional Information_3/8-18 x 1/2-14 Thread Size; 0.320 lb Weight 6 PVC 90 ELBOW GASKETXSPIGOT

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5 RSD | 5 Inch Round Motorized Spring Return Damper | EWC Controls Additional Information_3/8-18 x 1/2-14 Thread Size; 0.320 lb Weight 6 PVC 90 ELBOW GASKETXSPIGOT5 Inch Round Motorized Spring Return Damper Description 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