This CEN standard specifies the characteristics of type AA air gaps for inlet or feed pipes. Air gaps that comply with the requirements of this standard are devices for protection of drinking water installations from pollution. In addition to factory assembled products this standard includes requirements for site constructed air gaps. This is a performance standard for "AA" air gaps. Materials of construction must be fit for the purpose and application to ensure compliance with this standard during normal working use.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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