solar water heater expansion tank

{"cid":"91179162","title":"Natural Circulation Split Solar Water Heater 300 Liter Aluminum \/ Copper Absorber Body","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/7b\/cce08ceb55c9c96ecf7a09dff679-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"PASSION\/OEM","Model Number":"300L","Minimum Order Quantity":"1","Delivery Time":"10 working days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Supply Ability":"5000units\/month","Packaging Details":"CARTONS\/PLYWOOD CASE\/PALLET","Capacity":"300L","Type":"Natural Circulation","Collector":"Flat Plate","Warranty":"Split","High ROI(Return On Investment)":"1 to 3 year pay back time","Flat Plate":"Aluminum And Copper Absorber Body","Outer Tank":"Color Steel","Inner Tank":"Stainless Steel 304"}}