Selected products
NK series (round)
    NK series (round)
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    Duct electric heater.

    NK…U series (round)
      NK…U series (round)
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      Duct electric heater with temperature controller or control unit.

      NK series (rectangular)
        NK series (rectangular)
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        Duct electric heater.


        NK...U series (rectangular)
          NK...U series (rectangular)
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          Duct electric heater with a control unit.

          NKP Series
            NKP Series
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            Heater for heat exchanger freeze protection.

            NKD Series
              NKD Series
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              Duct heater for supply air postheating with external control.