... Heater, project capacity can be from 1000L-30000L Split Pressure Solar Water Heater:Vacuum tubes assimilate the advance 12 layers of ... , performing a strong heating ability, Certificate, CE, CCC, ISO 9001, Solar Keymark.Features:1) Highest efficiency2) Furnished in good style, with ... ) Frame: imported galvanized steel plate4) Isolation: 50/55 polyurethane Split Pressure Solar Water Heater