Devices, apparatus and installations for the supply, the treatment, the purification, the filtering, the softening, the charging with gas and the deionisation of water, their components and accessories; water softeners; refrigerating apparatus and installations for liquids, particularly for water and/or beverage automatic vending machines; heating apparatus and installations for liquids, particularly for water and/or beverage automatic vending machines; water refrigerating machines for ice making; water and air purifying machines, water and air filtering machines, cartridges of filtering machines