12X8 ND-RSD NO | Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Connection Type_Male JIC|MPT The H971 have 4 to

The H971 have 4 to 20 mA output only

1 X 1-1/4 BLACK BULLHEAD TEE

1 VENTED LOCKING BALL VALVE

4 PVC DWV 1/8 BEND HUBXHUB

PRESSURE TRANSDUCE

12X8 ND-RSD NO | Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Connection Type_Male JIC|MPT The H971 have 4 toACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 12X8 ND MOTORIZED DAMPER SPRING RETURN NORMALLY OPEN Resources Datasheet ^^This damper is 12" by 8". The motor lever is installed on the 8" side. Full dimensional specifications are in the datasheet below.