18X18 ND | Rectangular Damper | 18X18 ND MOTORIZED DAMPER | EWC Controls Connection Type 1_Female JIC 1-1/4 PVC DIAPHRAGM VALVE REINFORCED

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18X18 ND | Rectangular Damper | 18X18 ND MOTORIZED DAMPER | EWC Controls Connection Type 1_Female JIC 1-1/4 PVC DIAPHRAGM VALVE REINFORCEDACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 18X18 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