Solar water heater vacuum tube is the more the better?
Some companies said: how high the temperature of their products, how high, it is a serious dip in the rights of consumers
The same pipe, reducing the water capacity, water quantity is less, naturally high temperature, and also reduce the water capacity, it reduces the production cost, this is a serious infringement of the rights and interests of consumers.
Solar heaterThe manufacturer has a general corporate code, that is, how much water is available, and how many pipes and tubes are used.
