Research and analysis

The effectiveness of converting WCs to dual flush

Project looking at the effectiveness of converting toilets to dual flush.


The Effectiveness of Converting WCs to Dual Flush - Technical Summary

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Both studies have demonstrated that on average, dual flush retrofit devices do save water and do not result in an increase in water use as was previously thought. The reports identify:

  • savings in toilet use due to the installation of the retrofits;
  • savings were higher at lower occupancies; and
  • savings were higher in single toilet households.
Published 1 January 2002