Dux Water Heaters

Non Condensing Flow Unit 21L

Dux Water Heaters

Non Condensing Flow Unit 21L

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Price (inc. GST)

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Compact and efficient, Dux's latest range of Continuous Flow units are an excellent option for New Zealand homes. Dux gas continuous flow water heaters heat the water only as needed, not wasting energy by keeping water in a cylinder hot, earning it a 6 star (or higher) energy rating. With several delivery options available, ensure you select a Dux continuous flow water heater that best suits to the number of outlets in the home.

  • Flow rate: 21L per minute at 25 degree Celsius rise
  • Max Set Temperature: 60√Ǭ∞C
  • Min Operating Flow Rate: 2.4 litres per minute
  • Height (Unit): 520mm
  • Width: 350mm
  • Depth: 170mm
  • Weight: 16kg
  • Star Rating: 6.1
  • Compact Design
  • Never run out of hot water


  • Available in LPG and Natural Gas models


  • For recess box, controllers, flue diverters, anti theft brackets and pipe covers please see related products
Max Flow rate

More information and BPIR (if applicable) can be found on the Dux Water Heaters website. View website »