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EN12975vacuum tube solar water heater. 1)ISO9000,EN, CE. 2)lifetime.15years, guarantee 3years. 3)jinyi brand or OEM. This EN12975 vacuum tube solar water heater 1)light-wiehgt, easy installation and short delivery. 2)Attractive design, standard frame suitable for pitched roof or flat roof. 3)Can be connected with the exsiting heating device , 4)Hunanized design, no water directly flowing in the tubes , enabling the system still workable in case of occasional tube breakage. Heat pipe solar description: 1)Heat pipe solar collector for thermal collection with high speed start and super heat collecting and eachanging efficiency. The circulation is closed loop for themal collecting and enchanging start and superior heat collecting. 2the heat pipe material is copper, So it is ok to transferred to liquid passing through pipes attached to the absorber palte. 3The circulation is closed loop for themal collecting and enchanging start and superior heat
