This is a kitchen boiler with a contents of 10/15 litres, which is mounted above the tap e.g. in an upper kitchen cupboard. There are 4 types: Close-up 10, Close-up E 10, Close-up 15, Close-up E 15. The E-types are adjustable to four basic values. Furthermore, the E-types have a boost switch in order to speed up the heating of the water up to 90°C. The Close-up can be installed both as a hot-fill as a cold-fill.