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Motorized Rectangular Side Mount Dampers - 12" x 12"
  • Heavy duty frame.
  • LED's show damper's position.
  • Nylon bushings for quieter operation.
  • Simple 3-wire hook-up.
  • Motor mounted on second dimension specified.
  • The ND damper has a 97% leak proof rating. Overlapping blades and a strong positive off motor insures accurate control of all zones.
  • The ND dampers combined with the Ultra-Zone zoning system provides the most comfortable and reliable system in the industry.
  • The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble free use.
  • The motor is UL listed and NEMA Class 2 certified.