solar collector(Non pressure

Non pressure series
1.Evacuated tube solar collector;
2.Domestic or larger hot water needs;
3. ISO9001, CE,CCC approval;

1) Higher heat efficiency:Advanced heat transferring style of the heat pipe.
Heat transfer speed above the 10, 000 multiple of copper ;
2) Working without water inner tubes ;
3) Made of New tr-element vacuum tube ;
4) Could be used when the temperature is -40C;