(b) safety: the real separation of hydropower, the operation of the system without the possibility of flammable, explosive, toxic, short circuits in traditional water heaters (fuel or gas, or electric water heaters), and the absence of any transmission pipelines such as pipe gas, and the absence of eruptions, is a safe and reliable hot water system. 3. Environmental non-pollution: no combustion or emissions during the operation of products, no atmospheric pollution, and extremely low energy consumption, which is a green and environmentally friendly product, is in line with our current national policy of "energy conservation and reduction" and is an environmentally sound product for sustainable development. Intelligent comforts: complete automatic operation control of products, specific loss of electrical memory, enhancement/enhancement of pre-set parameters without loss of personal care, ease of use, simplicity of operation, free of any shade, rain or snow weather, but cop values ar...