8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll This crank is used with

This crank is used with No

3X2 PVC CLAMP SADDLE REINFORCED FEMALE THREAD FKM ZINC BOLT

Several different electrical ratings and switch configurations are available

14 PVC WYE SOCKET DUCT

12X6 CPVC REDUCING DOUBLE WYE SOCKET DUCT

8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll This crank is used with8 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,