heat pipe solar water heaters

Detailed product description Compact pressuried heat pipe solar water heater 1, Pressure series compact 2, the tubes won't free in extreme cold. 3, each heat tube can work independently. 4, CE, GS, 3C certificate Feature and work theory: 1, The heat pipe vacuum tube solar water heater mainly consists of heat pipe vacuum tubes, storage tank, bracket and auxiliaty parts. 2, Due to special design and attribute, it works well in very cold wether and offer heat water for daily use. 3, in case one vacuumtube is broken, it won't affect the whole system working, becauseeach heat pipe vacuum bute can work independently, and there is no water in thevacuum tubes, thus the water won't flow out from the storage water tank. 4, there is no water in the vacuum tubes, thus even in extreme cold weather, the tubes won't freeze. Material: 1, outer tank:Galvanized steel or color steel 2, inner tank: food grade stainless SUS304 2B 3, Insulation layer: polyurethan. 4, bracket:install by flat or oblique. 5, vacuum tube: 58 x 1800 Tank Capacity(L)Model No.Vacuum(mm)Water tankDiameterLengthQtyInner/Outer(mm)180PP58/1800-18H58180018φ400/φ500200PP58/1800-20H58180020φ400/φ500250PP58/1800-24H58180024φ400/φ500300PP58/1800-30H58180030φ400/φ500