Found 2 series
VENTS NKV series (round)
  • For round ducts
  • Ventilation accessories
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Duct water heaters are designed for heating of supply air in round ventilation systems.

VENTS NKV series (rectangular)
  • For rectangular ducts
  • Ventilation accessories
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Duct water heaters are designed for heating of supply air  in rectangular ventilating system.