... 3.CE,Keymark,ISO certificate 4.Manufacture separate solar water heaterWater Tank:1,Inner tank:SUS304-2B material,150L ... in good style .5,Tank is equipped with electric water heater setting,automatic temperature controller.6,With increased anode ... Temperature sensor:Three temperature sensor &flowmeter(Switzerland)5,Digital display:Temperature adjustor&Timing water supplyVacuum tube:1,the pipes are made ...