NA 041-01-45 AA
Water heaters (Mirror committee CEN/TC 164/WG 10)

The Working Committee of a standards committee is concerned with equipment for the heating of drinking water and process water, as well as their calculation. There are performance requirements and test methods for indirectly heated unvented (closed) storage water heaters, which are designed for connection to a water supply system at a pressure between 0.05 MPa and 1.0 MPa (0.5 bar and 10 bar) and which are equipped with control and safety devices which are to be designed so that the operating temperature of the stored water cannot exceed 100 ° C.