What is BS EN 50440 about?
BS EN 50440 discusses domestic electrical storage water heaters. BS EN 50440 specifies methods for measuring the performance of these electrical storage water heaters for the production of sanitary hot water for domestic use. BS EN 50440 states and defines the principal performance characteristics of electrical storage water heaters, and describes the test methods for measuring these characteristics.
Note 1: BS EN 50440 does not apply to
Storage water heaters that use electricity as a secondary source of heating the water
Storage water heaters that do not use a tank to store hot water
BS EN 50440:2015+A1:2020 history
2020BS EN 50440:2015+A1:2020 Efficiency of domestic electrical storage water heaters and testing methods
2015BS EN 50440:2015 Efficiency of domestic electrical storage water heaters and testing methods