It can meet the heating needs of different users. Modular combination could provide a large heating area, which can meet the needs of users for large-flow domestic hot water.（Plate type heat exchanger and volume-type water tank）The major components are imported from Italy, which ensure the safety, stability and energy conservation of the products. It meets the national first-class energy efficiency standard, with high thermal efficiency. This product has obtained a national patent, with the patent certificate number of ZL201920585947.1.