Type:Evacuated Tube Pressure:Unpressurized Circulation Type:Direct / Open Loop (Active) Heating System:Thermosyphon (Passive) Connection Type:Direct-Plug Installation:Wall Mounted Housing Material:Stainless Steel Certification:CE,SRCC,ISO,CCC Capacity:300 Name:solar water heater Inner tank:SUS304-2B Stainless Steel Outer tank:0.31mm Color Steel (SUS304-2B) Frame:1.2MM SUS201 Stainless Steel collector:evacuated tube Warranty:Set 5 Years Color:customized Application:water heating MOQ:1 set Payment:trade assure Show More