Is to keep the water tank with a clean, the water inside the vacuum tube is full, with no use, I say it right
Can be used, to tell you something about the solar water heater tips: 1 bath, if the water in the solar water heater has been used up, but people still do not have the bath, then can last a few minutes in cold water, cold water and hot water by using the principle of sinking floating, the hot water in the vacuum tube to the top, can then take a bath.
The above method is to run out of water immediately after the operation, absolutely no problem, most manufacturers have instructions to install the use of this. But if you do not have solar water tank for a long time, you can not do so, otherwise it will burst pipe.
That's true。 If you really want to use, you can slightly on some water, cold water mass, hot water light, you can put the tube hot water out of the. Be careful not to put too much water, otherwise the water will be cool.
