8X16 ND-RSD NO | Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Minimum Clamp Diameter_3-7/16 in 20 PVC BUTTERFLY CHECK VALVE

20 PVC BUTTERFLY CHECK VALVE SPIGOT FKM

15 PVC 15 ELBOW SOCKET LOW HEAD PIP

1/2X1/4 (P-IN X MIP D

2X1/2 PVC CLAMP SADDLE SOCKET EPDM SS BOLT

45 SW NUT ELT1&2 1-5/16-12

8X16 ND-RSD NO | Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Minimum Clamp Diameter_3-7/16 in 20 PVC BUTTERFLY CHECK VALVEACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 8X16 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