DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

NF D35-431 ; NF EN 17692:2025-05-21
Central heating boilers - Specification for indirectly heated unvented (closed) pressurized buffer tanks - Requirements, testing and marking

Title (German)

Zentralheizungskessel - Festlegungen für indirekt beheizte, unbelüftete (geschlossene), unter Druck stehende Pufferspeicher - Anforderungen, Prüfung und Kennzeichnung

Edition 2025-05-21

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF D35-431 ; NF EN 17692:2025-05-21 Central heating boilers - Specification for indirectly heated unvented (closed) pressurized buffer tanks - Requirements, testing and marking

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NF D35-431 ; NF EN 17692:2025-05-21
Central heating boilers - Specification for indirectly heated unvented (closed) pressurized buffer tanks - Requirements, testing and marking