18X12 ND | Rectangular Damper | 18X12 ND MOTORIZED DAMPER | EWC Controls Dimensions_7/8 in Dia x 1-5/8 in L normally open

normally open

2 X 9 GALV STEEL NIPPLE

12 PVC TEE SOCKET 100PIPXIPS

Less Click 4 Way Valve

8 PVC 60 ELBOW GASKETXSPIGOT 100PIP

18X12 ND | Rectangular Damper | 18X12 ND MOTORIZED DAMPER | EWC Controls Dimensions_7/8 in Dia x 1-5/8 in L normally openACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 18X12 ND MOTORIZED DAMPER Heavy Duty extruded 0. 80 aluminum construction. Glass Filled Nylon Bearings provide quiet operation. Overlapping parallel blades for low leakage. Power open Power close function at 35 seconds. UL Listed Motor Actuator is rated for 24volt ac dc. 3 wire power open & power close. 18lb 2Nm torque rating.