18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls Joint_45° Ell - Clear Two-Valve Design

Two-Valve Design

2X3/4 PVC HOT TAP SADDLE EPDM S/S BOLT

8X2 PVC REDUCING DOUBLE WYE SOCKET SCH40 100 PSI G

^^This 331 Number 3 Pneumatic Damper Actuator with ball joint connector is a rugged

or 4–20 mA control signal input from a thermostat

18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls Joint_45° Ell - Clear Two-Valve DesignACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 18X8 ND MOTORIZED DAMPER The ND series of Ultra Zone dampers was designed with the installer and homeowners in mind. This damper is easy to install and easy to checkout. The LED display allows the installer to visually check the damper operation. With a sturdier frame, the damper installs in the duct much faster and easier and