This system is very popular in Europe and North beacuse it is practical and fashional.

1. adopt copper and aluminum unfiled core with black chrome, header pipe diameter up to 25mm,5mm thickness tempered glass .
2. adopt porcelain enamel inner tank (100L,200L,300L),with a copper coil in the water tank
3. the working station system ( the photo) including : intelligent controller, circulation pump, pressure guage, balancing
4. valve, expansion case, check valve etc.
5. Working pressure: a?? 0.6Mpa.
6. Material for support: stainless steel profiled bar (on the roof)
7. The separate pressure flat system conduction with the medium.