# The Water Supply (Water Fittings) Regulations 1999, Paragraph 14

Extent: E+W

(1) Any water fitting conveying–
(a) rain water, recycled water or any fluid other than water supplied by a water undertaker or water supply licensee; or
(b) any fluid that is not wholesome water;
shall be clearly identified so as to be easily distinguished from any supply pipe or distributing pipe.
(2) No supply pipe, distributing pipe or pump delivery pipe drawing water from a supply pipe or distributing pipe shall convey, or be connected so that it can convey, any fluid falling within sub-paragraph (1) unless a device for preventing backflow is installed in accordance with paragraph 15.

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Source: https://www.legislation.gov.uk/uksi/1999/1148/schedule/2/paragraph/14 (the official version)
Page: https://openlegislation.uk/water-supply-water-fittings-regulations-1999/schedule-2/paragraph-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.