# Commission Regulation (EU) No 547/2012 of 25 June 2012 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water pumps (Text with EEA relevance), Division (a): From 1 January 2013, water pumps shall have a minimum efficiency:

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

at the best efficiency point (BEP) of at least (ηΒΕΡ) min requ, when measured according to Annex III, and calculated with the C-value for MEI = 0,1, according to Annex III,
a minimum efficiency at part load (PL) of at least (ηΡL) min requ when measured according to Annex III, and calculated with the C-value for MEI = 0,1, according to Annex III,
a minimum efficiency at over load (OL) of at least (ηΟL) min requ when measured according to Annex III and calculated with the C-value for MEI = 0,1, according to Annex III.

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Source: https://www.legislation.gov.uk/eur/2012/547/annex/II/division/1/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-547/annex-II/division-1/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.