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solar hot water heater solar water heater split system split pressurized solar water heater detailsfeatures: 1, Diameter of vacuum tube: 47mm/58mm/70mm 2, length of vacuum tube: 1500mm/1800mm/2100mm 3, quantity of vacuum tube: 15/18/20/24/30/36/42/50 4, type of the vacuum tube: single target coating tube/velocity of light violet gold tube/glass heat pipe/triple target coating and triple-cavity vacuum tube. 5, material of inner tank: imported sus304-2b environmental stainless steel 6, diameter of inner tank: 360mm to 600mm 7, diameter of outer tank: 460mm to 700mm 8, thickness of inner tank: 1.5mm to 2.0mm 9, thickness of outer tank: 0.55mm 10, material of outer tank: porcelain/silver pearlescent plate/color steel 11, heat insulation layer: imported polyurethane 12, thickness of heat insulation layer: 50mm to 60mm 13. pressurized system: 0.6MP 14, material of support: Aluminum Alloy 15, color of support: black 16, inclination of frame: 38 to 45 degree 17, capacity optional: 100L,150L,200L,240L,300L,400L,500L 18, working temperature: 90 degree 19, cold resistance: -38 degree 20, easy installation and best price split pressurized solar water heater Working principle: 1)Solar collector can connect to the pressured water tank and it can be installed on the flat with stand or mounting on the sloping roof without support stand 2)Heat pipe vacuum tube absorbs the heat energy from sunlight, because there is closed-loop between water tank and solar collector, so the heat can transfer to water tank from the solar collector 3)Conductor medium is glycol and water mixture, can endure the very low temperature and anti-freeze, meanwhile it can exchange heat energy with cold water in the water tank 4)With help of the controller system, can balance the temperature of the water tank and the solar collector 5)Temperature difference is higher than preset value, controller system will start the circulation pump and the heat energy can be transferred between the water tank and solar collectorsplit pressurized solar water heater Advantages 1)Double coil system can combine with the original water heater perfectly 2)Split pressurized system is special designed for the cold area, more effective than the other type solar water heater if in the cold winter 3)Double coil system can used for heating room 4)Solar collector can be placed on the flat roof or sloping roof or fixed on the balcony, generous and nobler 5)Tank can be put in the house that can reduce the resistance of the roof 6)Whole system can be used for swimming pool heating system 7) CE, ISO9001, CCC, EN12975 certified 8) Competitive price on same quality level 9) Prompt delivery 10) Environmental protection 11) Small order and OEM order accepted Details parts Manifold casing material Aluminum Frame material Aluminum Header pipe material Copper Heat pipe material Copper Insulation Rock wool Rubber seals and rings UV stabilized high temperature silicon rubber Test pressure 9 bar Collector mounting Flat roof/inclined roof Mounting angle 15-50 Inlet Outlet 3/4