pressure solar water heater separate pressure solar water heater With increased anode magnesium bar stick to prevent furring Separate Pressurized Solar Water Heater.Water Tank:1,Inner tank:SUS304-2B material,150L-200L1.2mm thickness,300L-400L1.5mm2,Insulation:50mm polyurethan foam3,Outer tank:0.5mm thickness galvanized steel material4,P/T relief valve ,electrical heater element with terminator5, ...