Stainless Steel Solar Water Heater1).Heat collector machine size: Φ47--1500, Φ58--1800, Φ70--2000.etc(2).Outer water shell: Imported High quality Stainless steel,Pearl board,White-color painted board,Galvanized steel plate(3).Inside water chest: imported BS SUS304-2B stainless steel (food class).(4).Heat insulation layer: 50~65mm..