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Central heating boilers - Specification for indirectly heated unvented (closed) pressurized buffer tanks - Requirements, testing and marking
Translate name
STANDARD published on 1.10.2025
Designation standards: ČSN EN 17692
Classification mark: 075309
Catalog number: 521999
Publication date standards: 1.10.2025
SKU: NS-1241273
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies the essential terms, constructional requirements, tests, energy assessment and marking of indirectly heated water storage tanks for primary water (buffer tanks), with a capacity not exceeding 2,000 l, an operating temperature not exceeding 95 °C, and an operating pressure not exceeding 1,0 MPa (10 bar).
This document covers metallic and plastic made buffer tanks.
Although this document does not consider any buffer tanks mainly intended for direct firing, it allows for the provision of electric heating elements for auxiliary purposes.
NOTE - The energy assessment is performed by EN 15332 or EN 12897
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Latest update: 2026-07-26 (Number of items: 2 290 396)
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