prEN 13203-1

Gas fired domestic appliances producing hot water - Part 1: Assessment of performance of hot water deliveries prEN 13203-1

Publication date:   Feb 22, 2024

General information

40.60 Close of voting   May 16, 2024


CEN/TC 109 Central heating boilers using gaseous fuels

European Norm

91.140.65   Water heating equipment



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This document is applicable to gas-fired appliances producing domestic hot water. It applies to both instantaneous and storage appliances; water-heaters and combination boilers that have:
- heat input not exceeding 70 kW; and
- hot water storage capacity (if any) not exceeding 500 l.
In the case of combination boilers, with or without storage tank, domestic hot water production is integrated or coupled, the whole being marketed as a single unit.
This document sets out in qualitative and quantitative terms the performance in delivery of domestic hot water for a selected variety of uses. It also gives a system for presenting the information to the user.

Related legislation

Legislation related to this standard


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


EN 13203-1:2015


prEN 13203-1
40.60 Close of voting
May 16, 2024