12X18 ND-RSD NO | Rectangular Damper | 12X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Model_V645 16 PVC 15 ELBOW SOCKET

16 PVC 15 ELBOW SOCKET SCH40 FABRICATED

1/2 X 1/2 (ID X MIP ADAPT W/SPRNG)

1-1/4 PVC TANK ADAPTER FPTXSRFPT FKM GASKET

^^AP331 DAMPER SHAFT CRANK ASSY

Note also that triacs are for switching AC only

12X18 ND-RSD NO | Rectangular Damper | 12X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Model_V645 16 PVC 15 ELBOW SOCKETACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 12X18 ND MOTORIZED DAMPER SPRING RETURN NORMALLY OPEN Resources Datasheet ^^This damper is 12" by 18". The motor lever is installed on the 18" side. Full dimensional specifications are in the datasheet below.