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  • Improves comfort by eliminating over-cooling and overheating
  • Saves energy by automatically directing over-conditioned air flow to areas still needing the conditioned air
  • Saves energy by reducing air flow to spaces that are not being used
  • Under-sized damper slips easily into diffuser collar, between flexduct drop and ceiling diffuser
Unit of Measure


Damper Actuator

N/A eControls A80-VP Actuator

Damper Diameter

N/A 14 in

Thermostat Control

N/A Manual Wall Control (MWC)


N/A Damper Actuator Price - $246.12
ThermoStat Control Price - $44.69



  • Dampers are controlled by three wires from the damper actuator to the MWC Manual Wall Control
  • Multiple dampers can be controlled by one MWC
  • Multiple dampers can be powered by a single 24 VAC transformer installed in the ceiling space
  • Mechanical Closed position limit can be used to insure minimum air flow