12X12 ND-RSD NC | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls Additional Information_1-11-1/2 Thread Size; 1.910 lb Weight 2 PVC SWING CHECK VALVE

2 PVC SWING CHECK VALVE FLANGED EPDM W/IND

Accessory: Tstat Hollow Wall Mount

10 FKM FLANGE GASKET

1-1/2 PVC TRUE UNION WYE STRAINER SOCKET FKM P8 MESH

2-1/2 X 3 BLACK STEEL NIPPLE

12X12 ND-RSD NC | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls Additional Information_1-11-1/2 Thread Size; 1.910 lb Weight 2 PVC SWING CHECK VALVEACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 12X12 ND MOTORIZED DAMPER SPRING RETURN NORMALLY CLOSED Description 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