solar coils tanks

closed loop solar system for swimming pool heating system , wide use in US CANADA and Eu . together with heat pipe collector , workstation and tanks units system . tanks material its galavnized steel outter o.5 mm and inner its SUS316L 1.5 . high pressure to 10 bar . with argon welding protection . the tanks can be made with one/two copper coils inside , one for collector , another to gas heater or space heating rooms . installment size its 3/4 ,or 1/2 Inch .both choice . there is also electric heater , and Meg bar , safty valve there . also tanks will be make according to your demand . welcome to contact .