Hot water boilers used in commercial and homes spaces for heating purposes serve as an important part of overall energy consumption in Europe. Therefore ensuring that they meet the stringent energy eﬃciency requirements is of great importance in the light of the EU’s commitment to increase overall energy eﬃciency. Improved boiler eﬃciency is also in the interests of consumers in terms of reducing fuel costs. Thus, for placing the hot water boilers in the EU market, the manufacturer needs to make sure that it is CE marked. The presence of the CE marking on these boilers indicates that they fulfill the harmonized requirements set in place to allow them to be sold any-where in the European Economic Area (i.e. made up of the EU countries plus Norway, Iceland and Liechtenstein) as well as in Turkey.
Finding the relevant European Harmonized standards
The ﬁrst step that manufacturers have to take to ensure that their boiler will be compliant with the Directive is to confirm which European Harmonized standards are applicable. This can be done with the help of the relevant page of the European Commission’s Enterprise and Industry website.
CE marking and the Directive on Hot-Water Boilers
Hot Water Boilers Directive 92/42/EEC is intended to ensure that the new hot-water boilers ﬁred with gaseous or liquid fuels oﬀer a high level of energy eﬃciency and also harmonize the rules regulating the sale of such boilers within the EU. Article 5 of the Directive lays down the energy eﬃciency requirements to be complied with, both at part load and at rated output.
It is the legal responsibility of the manufacturers of hot water boilers to verify the compliance of their product with this directive before placing the CE mark on it, and selling it in the European Economic Area, by having a Notified Body certify conformity to the directive. This includes having a proper documentary evidence (i.e. test reports, etc.) and proper product design to show that the product complies with all relevant criteria in the directive 92/42/EEC.
Where can I ﬁnd the legal texts and explanatory information?
The Directive can be downloaded from the relevant section of the EU’s Europa website, where some explanatory information can also be found.
Conformity Assessment for CE Marking
Conformity assessment for boilers comprises of two steps:
- Analyzing the eﬃciency of a boiler type in accordance with module B (described in Annex III of the Directive)
- Completing the declaration of conformity to the approved type in accordance with module C, D or E (described in Annex IV of the Directive)
For boilers burning gaseous fuels, conformity assessment procedures are the same as those laid down in the Gas Appliances Directive 2009/142/EC, namely:
- First is, the EC-type examination by a Notiﬁed Body, the details of which are explained in point 1 of Annex II of Directive 2009/142/EC.
- Second is, completion by the manufacturer of one of three EC declaration of conformity to type procedures, or of the EC veriﬁcation procedure, details of which are provided in points 2-5 of Annex II of Directive 2009/142/EC.
Each appliance placed on the market must bear the CE marking and must come along with the EC Declaration of Conformity signed by the manufacturer. The manufacturer must aﬃx the CE marking on the boiler in an easily legible, visible and indelible manner.
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