Is there any scale in the solar water heater
The deposition in the vacuum pipe is floating in the water, not like the thermos scale paste in the water tank wall, so clean up is relatively simple, but the demolition must be careful not to force fierce, to avoid damage to the vacuum tube.
So repeated several times, thoroughly rinsed after removing a clean, all after cleaning, into the water tank, water tank, washing scale debris, and then install the vacuum tube can be, should carefully check the safety seal water tank installation hole is intact, if there is damage to the aging. Replace the new mutual Secret Law or sudden foot association but Mao seal.
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, the water drained, then add some clean water rinse, rinse and then pour a