# The Water Supply (Water Fittings) Regulations 1999, Paragraph 9


Any pipe supplying cold water for domestic purposes to any tap shall be so installed that, so far as is reasonably practicable, the water is not warmed above 25°C.

---
Source: https://www.legislation.gov.uk/uksi/1999/1148/schedule/2/paragraph/9 (the official version)
Page: https://openlegislation.uk/water-supply-water-fittings-regulations-1999/schedule-2/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.