8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll 1K ohm at 70 degrees

1K ohm at 70 degrees Fahrenheit

electrical connections are made to 48 in

18X14 PVC REDUCING WYE SOCKET SCH40 100PSI G

This crank is used with No

Several different electrical ratings and switch configurations are available

8 URD | 8 Inch Round Motorized Damper | EWC Controls Shape_Green Roll 1K ohm at 70 degrees8 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,