Apparatus for filtering water; Apparatus for producing hot water; Chilled purified water dispensers; Domestic water filtering apparatus; Drinking water supply apparatus; Electric water heaters for preparing beverages; Electrical water heating apparatus for making beverages; Filters for drinking water; Hot water boilers for beverage making; Installations for cooling drinking water; Installations for water filtering; Taps for water supply installations; Water boilers; Water chillers; Water cooling apparatus