This Solar Water Heater is convenient,simple,beautiful and practical. It is durable and used extensively. Quick Details Type:Evacuated TubePressure:UnpressurizedCirculation Type:Direct / Open Loop (Active)Heating System:Thermosyphon (Passive)Connection Type:Direct-PlugInstallation:FreestandingHousing Material:Stainless SteelCertification:CE,RoHS,ISO9001, CCC,SRCC,KEYMARK.Capacity:150Place of ...