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STANDARDSIST EN 26:2004/A2:2004SIST EN 26:2004/A3:2007SIST EN 26:2004SIST EN 26:2004/A1:20041DGRPHãþD
SIST EN 26:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 26
May 2015 ICS 91.140.10 Supersedes EN 26:1997English Version
Gas-fired instantaneous water heaters for the production of domestic hot water
Appareils de production instantanée d'eau chaude pour usages sanitaires utilisant les combustibles gazeux
Gasbeheizte Durchlauf-Wasserheizer für den sanitären Gebrauch This European Standard was approved by CEN on 29 November 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 26:2015 ESIST EN 26:2015
EN 26:2015 (E) 2 Contents Page Foreword .7 1 Scope .9 2 Normative references .9 3 Terms and definitions . 12 4 Classification of water heaters . 25 4.1 General . 25 4.2 Classification of gases . 25 4.3 Appliance categories . 26 4.4 Mode of supply of the combustion air and evacuation of the combustion products (appliance types). 26 4.5 Water pressure . 26 4.5.1 General . 26 4.5.2 Low pressure appliances . 26 4.5.3 Normal pressure appliances . 26 4.5.4 High pressure appliances . 26 5 Constructional requirements . 26 5.1 Conversion to different gases .
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