prEN 12897-1

Water supply — Indirectly heated unvented (closed) storage water heaters — Part 1: General specifications and common test methods

General information

10.99 New project approved   May 22, 2024

CEN

CEN/TC 164 Water supply

European Norm

Scope

This document specifies the general specifications, constructional requirements and common test methods for indirectly heated,
unvented (closed) storage water heaters of up to 2 000 l volume suitable for connection to a water supply at a pressure between 0,05
MPa and 1,0 MPa (0,5 bar and 10 bar), and fitted with control and safety devices designed to prevent the temperature of the stored
drinking water from reaching 95 °C.
Whilst storage water heaters intended primarily for direct heating are not covered by this document, it does allow the provision of
electric heating elements for auxiliary use.
Additional requirements for storage water heaters using vitreous enamel for corrosion protection are specified in EN 12897-2.

Related legislation

Legislation related to this standard

812/2013

Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device

814/2013

Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks

Life cycle

PREVIOUSLY

PUBLISHED
EN 12897:2016+A1:2020

NOW

IN_DEVELOPMENT
prEN 12897-1
10.99 New project approved
May 22, 2024