... OK Non-pressurized solar water heater,compactSimple structure and working principleCost-optimalCE,ISO9001,SGS,CCCOEM Material:Inner tank:Stainless steel SUS ... parts:Electric heater,magnesium rod,assistant tank,reflectorPacking:Export carton with full foamsRemark:Diameter of solar water tank(mm):360/460Vent connection(inch): ... 240/300/360L(58*1800) New Compact non-pressured solar water heater for 2013