Unique Heat Pipe Solar Collector

Unique Spec. compare to other normal heat pie solar colletcor:

1.?Silicon acid caps as additional heat protection of PIR foam in the mainframe.

2.?Pure copper, Option dia.35mm, 38mm, 42mm, 45mm at thickness of 0.8mm,1.0mm,1.2mm

3.?Option at 16mm,20mm,22mm,24mm by length 55mm,65mm,up tp 90mm

4.?At least 0.7mm thickness of heat pipe

5.?8-12 degree higher in Winter @ North Areas