12X12 ND-RSD NO | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Length_1-9/16 in 1-1/2X1-1/4 CPVC REDUCING BUSHING SPIGOTXFPT

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12X12 ND-RSD NO | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Length_1-9/16 in 1-1/2X1-1/4 CPVC REDUCING BUSHING SPIGOTXFPTACTUATORS 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 OPEN 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 be