Current
Core Supplement
BS EN
Covers the heating system's requirements for the installation and commissioning of individual components of the system (e.g. heat generators, pumps, controls).
Confirmed November 2014. Supersedes BS 5449:1990. Amendment dated 31 January 2009 - Revision of National annex NA (informative). Update to supersession details and additional information added to National foreword. Amendment dated 30 September 2013 - Revision of National Annex NA (informative).
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