The solar water heater if the direct use of groundwater for a long time, the internal pipeline can be blocked because of scale increase. Is there any good way to rust it?
3, and then one by one to install a vacuum tube can be, should be carefully checked before the installation of water tanks at the sealing ring is intact, if there is damage to aging, should be replaced with a new sealing ring.Note: the water in the vacuum pipe is floating in the water, not like the thermos water paste in the water tank wall, so clean up relatively simple, but the demolition must be careful not to force fierce, to avoid damage to the vacuum tube.
2, add some clean water, then rinse rinse a drained, so repeated several times, thoroughly rinsed after removing a clean, all after cleaning, into the water tank, water tank, water wash sundries;
The solar water heater, in addition to scale as follows:1, use both hands to hold a vacuum tube and rotating with the water tank, the sealing ring from loosening, and then to push a tank, when the bottom and the base can be separated, then the vacuum tube pulled out of the water drained;
