Description:Non-Pressure Stainless Steel Solar Water HeaterSpecification:1. Inner tank material: SUS304/2B, 0.41mm2. Outer tank material: StainlessSteel with 0.4mm thickness3. Frame material: Stainless steel with 1.2mm thickness4. Heat insulating layer: 50mm polyurethane foaming5. Size of inner tank ?360mm, Size of outer tank ?460mm6. Heat preservation: 72 hours7. Hail resistance: 20-30mm8. Standard pressure: 0.06 Mpa9. Seal: silicone rubber polymer10. Temperature heat: 45-95 degree CelsiusOur Advantages1. We are the experienced factory.2. We can do OEM &ODM.3. We can print your logo on our products.4. Our company uses the most advanced equipment to make the best quality products.5. We have CE and quality management system certification.Technical Data SheetModelTube SpecificationTubeGross AbsorberCapacitySize (mm)CoatingArea( M2)ABCDSFL-NPSS58/1800-8? 58x1800*8PcsALN-AIN-SS/CU1.3680 L85565515501600SFL-NPSS58/1800-10? 58x1800*10PcsALN-AIN-SS/CU1.70100 L100580515501600SFL-NPSS58/1800-12? 58x1800*12PcsALN-AIN-SS/CU2.04120 L115595515501600SFL-NPSS58/1800-15? 58x1800*15PcsALN-AIN-SS/CU2.55150 L1380118015501600SFL-NPSS58/1800-18? 58x1800*18PcsALN-AIN-SS/CU3.06180 L1610141015501600SFL-NPSS58/1800-20? 58x1800*20PcsALN-AIN-SS/CU3.40200 L1760156015501600SFL-NPSS58/1800-24? 58x1800*24PcsALN-AIN-SS/CU4.08240 L2060186015501600SFL-NPSS58/1800-25? 58x1800*25PcsALN-AIN-SS/CU4.25250 L2135193515501600SFL-NPSS58/1800-30? 58x1800*30PcsALN-AIN-SS/CU5.10300 L2510231015501600(The above data for reference only) http://www.jxsunfly.com/solar-water-heater/non-pressure-solar-water-heater/stainless-steel-non-pressure-solar-water.html