a.
Solar heat collectors are seperated with cylinder, andcombine with building perfectly. Cylinder can be installed to any place;
b.No water go through the vacuum tube make that the tube has no incrustation ,Antifreeze and tube explosion;
c. Working seperately and circulationindependently make the water in tank to be fresh and healthy;
d. Working withpressure, evan output of water make the bathing to be happy;
e. Adjusting thewater temperature automatically makes the system to be more safety andstable.