Non-pressured solar hot water heater

Product DescriptionFeature of non-pressurized solar water heater:Water tank information: 1. Inner tank: SUS304 2B food grade stainless steel 0.31mm/0.5mm; 2. Outer tank: Graded painted steel/0.4mm 3. Heat Preservation layer: Imported PU 50-85mm; 4. Insulation layer density: 42-45kg/m3 5. Bracket: Galvanized steel/1.2-1.3mm; 6. Working Maximum pressure: 0.5Mpa; 7. Capacity: 100L, 150L, 180L, 200L, 250L, 300L; 8. Vacuum tube: SS-AlNx/Cu, three target tube 9. Heat pipe information: Copper coil. 10. Heat pipe length: 1650mmWhat we inspection: 1) We will check the inner tank (the content of Ni, the thickness of material, the microelement. ) 2) The vacuum tube(knot of glass tube, stone of glass tube, solar selective absorbing coating surface, flash getter, vacuum quality etc) 3) The bracket (thickness of bracket, material purity) 4) The screws (the microelement, thickness of material) 5) The cartons (the strength) 6) The foam (the density) 7) The tank cover (the color)What we can offer (free): 1) Brochure and CD for installation. 2)5 years warranty for whole system.What we can offer (charge): 1) Electric heater 2) Controller 3) Pump 4) Work station(split system) 5) Magnesia rods 6) Three way tubes 7) Valve 8) Flex tube