This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use.
DIN EN 50440:2021 history
2021DIN EN 50440:2021 Efficiency of domestic electrical storage water heaters and testing methods; German version EN 50440:2015 + A1:2020
2016DIN EN 50440:2016 Efficiency of domestic electrical storage water heaters and testing methods; German version EN 50440:2015
2014DIN EN 50440 E:2014 Draft Document - Efficiency of domestic electrical storage water heaters and testing methods; German version prEN 50440:2014