11
Water treatment apparatus and installations for domestic and industrial use, in particular for filtration, purification and softening; water treatment installations including all their components, in particular valves (automatic, multi-port) and filters for protecting domestic applications, sanitary installations and industrial machines against corrosion and deterioration by water and its components, in hot and cold water; Drinking water filters; Domestic filters for tap water; Filters for use with water supply devices; Filters for sanitary water supply devices; Membranes for filtering water; Cartridges for water filtration; Water Delivery devices; Water purification devices; Water sterilisers; Ionisation equipment for water treatment; Water treatment appliances and equipment operating on the 'reverse osmosis' principle for the removal of mineral salts and metal salts from water, including their components; Reverse osmosis elements for reducing the salt content in water; Water treatment systems for the production of drinking water; Fine filters with longer life due to their enlarged filter surface and centrifugal action, intended for the protection of domestic appliances, sanitary facilities and industrial or non-industrial machinery, against corrosion and degradation by water and its components; Water chillers; Water heaters; Disinfection equipment of water flow; Disinfection equipment for industrial purposes; Evaporative water treatment equipment
37
Assembly, installation, maintenance and repair of water treatment, water softening and water purification installations and apparatus for domestic, commercial and industrial use and of their components; Installation, maintenance and repair of water supply appliances; Installation of equipment for cooking, water supply and sanitary purposes; Provision of information related to repair or maintenance of water treatment, water softening and water purification installations and apparatus; Repair and maintenance of water heating appliances
40
Treatment and purification of water; Desalination of water; Demineralisation of water; Provision of information on water treatment, water purification, water softening, water demineralisation; On-site water purification services