8X18 ND-RSD NC | Rectangular Damper | 8X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls Size_1/2" to 2" Pipe 1-1/2 FKM FLANGE GASKET

1-1/2 FKM FLANGE GASKET

10X4 PVC REDUCING COUPLING SOCKET 100PIPXIPS

6 PVC 60 ELBOW GASKET 125PIP

21X10 PVC SURFACE REDUCING SOCKET W/STUB SOCKET 100PIP

8X18 ND-RSD NC | Rectangular Damper | 8X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls Size_1/2" to 2" Pipe 1-1/2 FKM FLANGE GASKETACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 8X18 ND MOTORIZED DAMPER SPRING RETURN NORMALLY CLOSED 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