Unpressurized Solar Water Heater for Family Using 250L

Basic Info.Model NO. 250L Max. Capacity>200LStructure Compact Type Pressure Unpressurized Interior Material Stainless Steel Collector ComponentsGlass Vacuum TubeComposition Tank Insulation Certification CE TrademarkOEMTransport PackageExport PackageSpecificationGBOriginChinaHS Code84191910Product Description Solar water heaterSolar hot water heating system Low pressure solar water heater Vacuum tube solar water heater Solar water heating system Hot water heater Water HeaterVacuum tube solar water heater specification and materialVacuum tube Non pressure(stainless steel, color steel )Inner tank: 0.4mm-1.0mm SUS304 2B food grade stainless steelOuter tank: 0.4mm SUS304 2B or BA food grade stainless steel or 0.5mm galvanized steelFrame: 1.2mm stainless steel or 1.5mm galvanized steel or anodized aluminum (for coast area with corrosion problem )Tubes: High birosiligate glass tube with AL-N-AL coating or AL-N-AL-CU-SS Three target coatingSolar water heaterMODEL Tank capacity(L) Tube quantity Absorber area(m2) Loading quantity20GP/40HQ(set)FT-SS-LP-420-45/1500-15 84 15 0.80 63/146FT-SS-LP-420--47/1500-18-C 100 18 0.96 56/130FT-SS-LP-420-47/1500-20-C 111 20 1.06 48/111FT-SS-LP-420-47/1500-22-C 121 22 1.17 15/100FT-SS-LP-420-47/1500-24-C 133 24 1.28 41/88FT-SS-LP-420-47/1500-25-C 138 25 1.33 38/84FT-SS-LP-420-47/1500-28-C 154 28 1.49 35/75Solar water heaterMODEL Tank capacity(L) Tube quantity Absorber area(m2) Loading quantity20GP/40HQ(set)FT-SS-LP-470-45/1500-15 113 15 0.80 63/146FT-SS-LP-470--47/1500-18 139 18 0.96 56/130FT-SS-LP-470-47/1500-20 155 20 1.06 48/111FT-SS-LP-470-47/1500-22 170 22 1.17 45/100FT-SS-LP-470-47/1500-24 186 24 1.28 41/95FT-SS-LP-470-47/1500-25 194 25 1.33 40/93FT-SS-LP-470-47/1500-28 218 28 1.49 38/88FT-SS-LP-470-45/1500-30 234 30 1.60 34/79MODELTank capacity (L)Tube quantity(PCS)Absorber area   (m2)Loading QTY20GP/40HQ(set)FT-CS-LP-470-45/1500-15113150.8063/146FT-CS-LP-470--47/1500-18139180.9656/130FT-CS-LP-470-47/1500-20155201.0648/111FT-CS-LP-470-47/1500-22170221.1745/100FT-CS-LP-470-47/1500-24186241.2841/95FT-CS-LP-470-47/1500-25194251.3340/93FT-CS-LP-470-47/1500-28218281.4938/88FT-CS-LP-470-45/1500-30234301.6034/79