... high efficient steam generating machine Power: 4KW,6KW,7.5KW,9KW,10.5KW,12KW,18KWFunctions: The control works with the ... with zinc 4 - 18kW power options, in-shower thermostatic control, stainless steel tank, long-life elements, automatic water feed, ... heat protection,automatic drainage function,pressure release valve. Temperature control unit available. Controllers: with the same tank, elements and ...