material and majoy element 1 inner water tank: SUS304-2B stainless steel 0.5mm thickness 2 outer water tank: SUS304-BA stainless steel 0.4mm thickness 3 bracket: SUS430 stainless steel 1.2mm and 1.5mm thickness 4 solar vacuum tube: a) size: 47 x 1,500mm/ 58 x 1,800mm b) qty: 15/18/20/24/30 pcs per set solar water heater 5 temperature insulation layer 5.5cm imported polyurethane, keep same temeperature and high pressure foam 6 tank diameter: 460mm 7 warranty a) ISO9001/CE certificate b)5 years' international responsibility for free repairing or exchange due to original
We can produce the solar water heater as your requirement. If you have any special requirements, pls free to tell us.