1. EN12975 & solar key mark,SRCC,CSA,F378 2. Anti-freezen & ... tube 4. Delivery:10ds SPLIT PRESSURIZED SOLAR WATER HEATER FEATURE:1. Solar water heater with SOLAR KEY MARK certificate2. Special high ... SPLIT PRESSURIZED SOLAR WATER HEATER Specifications:1) Thickness of bracket: 1.5mm2) Vacuum tube: 58mm x 1.8m x 15pcs - 36pcs3) Inner tank ...