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CEN - EN 26

Gas-fired instantaneous water heaters for the production of domestic hot water

active, Most Current
Organization: CEN
Publication Date: 1 December 2023
Status: active
Page Count: 172
ICS Code (Water heating equipment): 91.140.65
scope:

This document defines the specifications and test methods and also the classification, marking and energy labelling of gas-fired instantaneous water heaters for sanitary uses, hereafter called "water heaters".

This document applies to water heaters:

- of types A, B and C as described at the appropriated clauses;

NOTE For more information on the configuration of the types of appliances, see EN 1749:2020.

- using one or more combustible gases corresponding to the three gas families and at the pressures stated in accordance to EN 437:2021;

- of nominal heat input not exceeding 77 kW based on the gross calorific value (GCV);

- with an ignition burner or with direct ignition of the main burner.

In this document, the heat inputs are expressed in relation to the net calorific value (Hi).

This document does not contain all the requirements necessary for:

- boiling water appliances;

- appliances intended to be connected to a mechanical means of evacuating the combustion products;

- appliances which fulfil a dual role of space heating and heating water for sanitary use.

This document only covers water heaters where the fan, if any, is an integral part of the appliance.

This document is not intended to cover appliances designed and constructed to burn gas containing toxic components.

Document History

EN 26
December 1, 2023
Gas-fired instantaneous water heaters for the production of domestic hot water
This document defines the specifications and test methods and also the classification, marking and energy labelling of gas-fired instantaneous water heaters for sanitary uses, hereafter called “water...
May 1, 2015
Gas-fired instantaneous water heaters for the production of domestic hot water
This European Standard defines the specifications and test methods concerning the construction, safety, rational use of energy and fitness for purpose, and also the classification and marking of...
January 1, 1997
Gas-Fired Instantaneous Water Heaters for the Production of Domestic Hot Water, Fitted with Atmospheric Burners
A description is not available for this item.
January 1, 1997
Gas-Fired Instantaneous Water Heaters for the Production of Domestic Hot Water, Fitted with Atmospheric Burners
A description is not available for this item.
January 1, 1997
Gas-Fired Instantaneous Water Heaters for the Production of Domestic Hot Water, Fitted with Atmospheric Burners
A description is not available for this item.
January 1, 1997
Gas-Fired Instantaneous Water Heaters for the Production of Domestic Hot Water, Fitted with Atmospheric Burners
A description is not available for this item.
January 1, 1977
Gas Burning Appliances for Instantaneous Production of Hot Water for Domestic Use
A description is not available for this item.

References

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