Features:
In this system the water does not pass through the evacuated tube, it runs in a manifold at the top of the panel. The evacuated tube contains a rod with a liquid that evaporates at a low temperature. As the liquid evaporates from the suns energy the heat rises to the top of the tube. The top of the pipe connects to a heat exchanger that heats the water in the manifold. The water in the manifold is then pumped through the pipeline and heats your hot water.
Special designed for the Split solar water heater systems. It's easy to combine with existing water heating systems for commercial, buildings, hotels, hospitals, swimming pools etc. 
Excellent figure, reliable performance, low maintenance, convenient replacement. One or several glass tubes broken will not influence system work. Suitable for all kinds of climates even with minus 35℃.