The cd28 v2 water heater is not bad. Is a constant core series, the temperature control characteristics are very good, the temperature rate is very fast, and the water in the temperature can be heated to a specific temperature quickly. After boiling the water, there is also a very good temperature control effect, the embedded computer motherboard is excellent, the temperature control is very intimate, the temperature is not easy to cold when hot, the application feeling is very good. It has a separate return water pipeline, and can also be multi-mode tap water, and the operation is more intelligent.