4 URD | 4 Inch Round Motorized Damper | EWC Controls Opening Size_0.925 in 1 PVC SPIGOT FEMALE ADPT

1 PVC SPIGOT FEMALE ADPT SPGXSS/FPT

2-1/2X1 REDUCING CROSS SOCKET SCH40

12X4 PVC MECH VENT ASSEMBLY SADDLEXMPT LOW HEAD

2 CPVC TANK ADAPTER SOCXSRFPT FKM GASKET

4 PVC Y-CHECK VALVE REINFORCED FEMALE THREAD EPDM

4 URD | 4 Inch Round Motorized Damper | EWC Controls Opening Size_0.925 in 1 PVC SPIGOT FEMALE ADPT4 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,