# Commission Regulation (EU) 2019/2023 of 1 October 2019 laying down ecodesign requirements for household washing machines and household washer-dryers pursuant to Directive 2009/125/EC of the European Parliament and of the Council, amending Commission Regulation (EC) No 1275/2008 and repealing Commission Regulation (EU) No 1015/2010 (Text with EEA relevance), Division (2): For household washer-dryers with a rated washing capacity lower than or equal to 3 kg, the weighted water consumption is the water consumption at rated capacity and rounded to the nearest integer.

Extent: E+W+S+N.I.

For other household washer-dryers, the weighted water consumption (WWD) of the wash and dry cycle of a household washer-dryer is calculated as follows, and is rounded to the nearest integer:
where:
WWD,full is the water consumption of the wash and dry cycle of a household washer-dryer at rated capacity, in litres and rounded to one decimal place;
WWD,½ is the water consumption of the wash and dry cycle of a household washer-dryer at half of the rated capacity, in litres and rounded to one decimal place.

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Source: https://www.legislation.gov.uk/eur/2019/2023/annex/III/division/5/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-2023/annex-III/division-5/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.