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BS EN 303-3:1999

BS EN 303-3:1999

Current

Current

The latest, up-to-date edition.

Heating boilers Gas-fired central heating boilers. Assembly comprising a boiler body and a forced draught burner

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-07-2006

Publisher

British Standards Institution

Committee
GSE/29
DevelopmentNote
Supersedes 93/711568 DC. (09/2004)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Current
Supersedes

This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage of an assembly made up of a boiler body complying with EN 303-11) and a forced draught gas burner complying with EN 676, using combustible gases, hereafter referred to as a “boiler??.

#This European Standard applies to standard boilers and low-temperature boilers with a nominal heat output not exceeding 1 000 kW and with a water temperature at normal operation not exceeding 105 °C.$

This European Standard does not contain all the necessary requirements for:

  • assemblies designed as units;

  • condensing boilers;

  • boilers intended to be installed in the open;

  • boilers permanently fitted with more than one flue outlet;

  • boilers fitted with a draught diverter;

  • boilers intended to be connected to a common flue having mechanical extraction.

This European Standard does not apply to living-space dedicated boilers (see 3.6).

If the boiler body has already been tested with a liquid fuel burner, in accordance with EN 303-1, EN 303-2 and EN 304, only the tests described in Annex G need to be performed.

In the case of a range of boilers, see Annex F.

Text deleted

This European Standard only covers type testing.

11/30229801 DC : 0 BS 6644 - SPECIFICATION FOR THE INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70 KW (NET) AND 1.8 MW (NET) (2ND AND 3RD FAMILY GASES)
BS 6644(2005) : 2005 SPECIFICATION FOR INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70 KW (NET) AND 1.8 MW (NET) (2ND AND 3RD FAMILY GASES)
BS 6644:2011 Specification for the installation and maintenance of gas-fired hot water boilers of rated inputs between 70 kW (net) and 1.8 MW (net) (2nd and 3rd family gases)
03/310868 DC : DRAFT JUNE 2003 BS 6644 - SPECIFICATION FOR INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70KW (NET) AND 2MW (GROSS) (2ND AND 3RD FAMILY GASES)

EN 676:2003+A2:2008/AC:2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
EN 304:2017 Heating boilers - Test code for heating boilers for atomizing oil burners
EN 303-1:2017 Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking
EN 303-2:2017 Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners

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