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This document is applicable to boilers used for central heating in accordance with EN 303-1 up to a nominal heat output of 1 000 kW and EN 303-4 up to a nominal heat output of 70 kW with forced draught burners in accordance with EN 267 that are designed for operating with liquid fuels.
The performance requirements of this document apply to type testing to heating boilers (standard, low temperature and condensing boilers) which are tested on a test rig in accordance with the test code given in EN 304.
This document applies also to room sealed boilers as defined in EN 15035 regarding efficiency and emissions.
This document can also be used as the basis for evaluation of boiler-/burner units.
Legislation related to this standard
Commission Regulation (EU) No 813/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for space heaters and combination heaters
Commission Delegated Regulation (EU) No 811/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of space heaters, combination heaters, packages of space heater, temperature control and solar device and packages of combination heater, temperature control and solar device
PUBLISHED
EN 303-2:2017
IN_DEVELOPMENT
prEN 303-2
40.60
Close of voting
Jun 8, 2023