8X12 ND-RSD NO | Rectangular Damper | 8X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Nominal Size_3-1/2 in 2X1 PVC WEDGE CLAMP SADDLE

2X1 PVC WEDGE CLAMP SADDLE SOCKET EPDM

12 PVC ADAP IPSXSEWER SPGXSOC SCH40

2-1/2 PVC CL UTILITY SWG CK VALVE THREAD EPDM

3 CPVC UNION SOCXSRFPT EPDM

(10 mm) square shaft

8X12 ND-RSD NO | Rectangular Damper | 8X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Nominal Size_3-1/2 in 2X1 PVC WEDGE CLAMP SADDLEACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 8X12 ND MOTORIZED DAMPER SPRING RETURN NORMALLY OPEN Model ND RSD is a rectangular parallel blade damper constructed from heavy duty extruded aluminum with nylon bearings for quiet operation. The Motor Actuator is a 24vac ( Synchronous motor. It is typically a Power Close Spring Open construction. The damper can be ordered as