Water filtration units; Filters for the treatment of water; Chilling appliances; Apparatus for water purification; Chilled purified water dispensers; Water disinfection apparatus; Electrically heated hot water tanks; Hot water heating installations; Water heating apparatus (other than parts of machines); Heating and cooling apparatus for dispensing hot and cold beverages; Refrigerated beverage dispensing units (other than vending); Electrical appliances for making cooled beverages