About CEN
The European Committee for Standardization is one of three European Standardization Organizations (together with CENELEC and ETSI) that have been officially recognized by the European Union and by the European Free Trade Association (EFTA) as being responsible for developing and defining voluntary standards at European level.
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Project
| Reference | EN 303-3:1998/A2:2004 |
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| Title | Heating Boilers - Part 3 : Gas-fired heating boilers - Assembly comprising a boiler body and a forced draught burner |
| Work Item Number | 00109026 |
| Abstract/Scope | Replace the second paragraph by the following text : "This European Standard applies to standard boilers and low-temperature boilers with a nominal heat output not exceeding 1000 kW and with a water temperature at normal operation not exceeding 105 °C." Replace the 2nd dash of the third paragraph by the following text : "- condensing boilers;" Delete the last but one paragraph of EN 303-3 : "This European Standard does not contain all the necessary requirements for low temperature boilers. Nevertheless, the testing methods defined by this European Standard for the determination of useful efficiencies can be used for low temperature boilers, after being adapted in accordance with annex H." |
| Status |
Published
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| Reference Document | |
| date of Availability (DAV) | 2004-04-28 |
| ICS | 91.140.10 - Central heating systems |
| A-Deviation(s) | |
| Special National Condition(s) |
Legal
| Directive(s) | 2009/142/EC, 90/396/EEC, 92/42/EEC |
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| Mandate(s) | M/066, M/BC/CEN/89/6 |
| Citation in OJEU | C 349 (2010-12-22) for Directive 2009/142/EC, C 142 (2005-06-11) for Directive 90/396/EEC, No citation expected for Directive 92/42/EEC |
Implementation Dates
| date of Ratification (DOR) (1) | 2003-11-03 |
|---|---|
| date of Availability (DAV) (2) | 2004-04-28 |
| date of Announcement (DOA) (3) | 2004-07-31 |
| date of Publication (DOP) (4) | 2004-10-31 |
| date of Withdrawal (DOW) (5) | 2004-10-31 |
Relations
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| Normative reference (6) | |
| Sales Points |
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(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved
(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat
(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level
(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement
(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn
(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.
In the case of undated standard, a link to the last dated version is provided.
In the case of series, a link to each standard identified in the series is provided.
We also invite you to check (via the website) whether corrigenda and/or amendments shall be read in conjunction with the main standard.