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- 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 the nylon bushings ensure quieter operation. Motor for the ND damper is driven by 18" lbs. of torque, possesses a manual gear release, 3 wire power open/power closed operation and fail-safe LED’s for quick diagnostic checks. ND dampers combined with an Ultra-Zone zoning system provides the most comfortable and reliable system in the industry.
- LED Light.
- Heavy Duty extruded 0.80” aluminum construction.
- Nylon Bearings for quiet operation.
- Power open / Power close function at 35 seconds.
- Motor is UL listed and NEMA Class 2 certified.
- The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble free use.
- The ND damper has a 97% leak proof rating.
- Overlapping blades and a strong positive shut-off motor ensures accurate control of all zones.
- ShapeRectangularSize8 x 20 inVoltage Rating24 VColorSilverHeight20 inManufacturerEWC ControlsManufacturer #8X20 NDMaterialAluminumMotor MountBottomSeriesNDTypeMotorizedWidth8 inWires to motor3