Found 6 series
NK series (round)
  • For round ducts
  • Ventilation accessories
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Duct electric heater.

NK…U series (round)
  • For round ducts
  • Ventilation accessories
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Duct electric heater with temperature controller or control unit.


NK...U series (rectangular)
  • For rectangular ducts
  • Ventilation accessories
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Duct electric heater with a control unit.

NKP Series
  • For round ducts
  • Ventilation accessories
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Heater for heat exchanger freeze protection.

NKD Series
  • For round ducts
  • Ventilation accessories
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Duct heater for supply air postheating with external control.