Solar Collector Heat Pipe Solar Collector Specificaions: (material and size can be changed as your order ,the price is different )1.Inner water tank : SUS304-2B staniless steel , Thickness: 0.4-0.5mm2.Out water tank: galvanized colorful plate/colorful steel plate /stainless steel , thickness:0.4-0.5mm3.Bracket: colorful steel plate spray plastic,thickness,1.2-1.5mm4.Heat pipe tubes: Quick heat collecting,10% higher than normal glass vacuum tube, Heat transfer by superconductor media ,waterproofed tube,guardaginst problems like tube-jammed by incrustation ,mud and low output power rate,Quick start high efficient absorption coating material ,High vacuum ,High water pressure5.The price of water tank include P/T valve,heating tube,,non-retur valve, blow down valve ,Magnesium rods 6.We also can do it as you request