MAY/MBY Ditto Concealed Modular Vertical Stack Fan Coil Series

The Ditto Concealed Modular (MAY/MBY) fan coil unit is designed for installation where two units share riser piping in the separation wall between two rooms but are equipped with individual valves, supply and return grilles and controls. The Ditto Concealed modular vertical stack unit is shipped factory assembled for additional installed cost savings.


  • 300-1200 CFM
  • Double-deflection supply grille
  • Integral return air panel
  • Unit-mounted thermostat control
  • Provided with powder-coat paint finish on the return air panel
  • Shipped factory assembled with risers installed
  • Upgrade to an energy efficient EC Motor with quiet operation


  • Application fit — fan coil units are specifically designed for quiet operation
  • Ease of installation — fan coil units assembled at the factory in coordination with the jobsite construction schedule
  • Ease of service — filters are easily accessible by removing return air panel
  • Quality and safety — every fan coil unit is tested and inspected at the factory for trouble free start-up

International Environmental Corporation

5000 W. I-40 Service Road

Oklahoma City, OK 73106


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