Solar collector vacuum tube with copper heat pipe 

1) Reliable, efficient, twin-glass evacuated tubes. 

2) Red copper(TU1) heat pipes, The water is heated by the heat pipe rapidly.

3) There is no water in the vacuum tube,so the tube will not break in the winter. 

4) It can be combined with the architecture perfectly, standard frame suitable for pitched roof or flat roof . 

5) It can be combined with existing pipeline.

6) Significant advantages over flat plate.

7) Can be used all year round in the cold climate.

8) Improves the environment and save your fuel cost. 

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