Special boiler heating should be based on user requirements and characteristics, to select the number of special boiler heating boiler model and decision.

Built-in mechanism of recycling distributes used, cleaned and assembled in a special jugs water for plants, which are integrated into the unusual kitchen design, or for cooking in a double boiler.

It is not stipulated definitely whether the expanded tube joints with special structure in super high-pressure boiler shall be cleaned or not in accordance with the standard.