# Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks (Text with EEA relevance), Division (b): measurements shall be carried out using a 24-hour measurement cycle as follows:

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

00:00 to 06:59: no water draw-off,
from 07:00: water draw-offs according to the declared load profile,
from end of last water draw-off until 24:00: no water draw-off;

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Source: https://www.legislation.gov.uk/eur/2013/814/annex/III/division/2/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-814/annex-III/division-2/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.