separate pressurized solar water heater Digital display:temperature adjustor &Timing water supply Water Tank:.1,Inner tank:SUS304-2B material,150L ... galvanized steel material4,P/T relief valve ,electrical heater element with terminator5,Heat exchanger:20m long,12mm diameter ... in good style 5,Tank is equipped with electric water heater setting,automatic temperature controller.6,With increased anode ...