1.The copper coil is inside of non pressure tank, the copper coil could bear the pressure by 0.7mpa during the operation. 2.It is with feeder tank and could load the water automatically 3.Vacuum....
Haining Xianke Solar Energy Technology CO., LTD., which was established in 2000, is a leading manufacturer of solar water heater. With an annual capacity of 100, 000 sets, our products have been....
1.The coating inside of vacuum tube absorbs the sun energy 2.The water inside of the vacuum tube 3.The vacuum tube insert into the non pressure tank, so the hot water and cold water could circulate....