Working with high pressure.Using heat pipe to delivery heat energy.Each tube can work alone, Steel work if one tube broken.
1) Inner tank:stainless steel--1.2mm.2) Vacuum tube:QB-AL-N/AL-58-1800 QB-AL-N/AL-47-1500.3) Outer tank:painted steel-0.4mm;
4) Frame:coated galvanized steel-1.5mm;stainless steel SUS430-1.5mm.5) The masterial of insulation:polyurethane 50mm. 6) The reflector:aluminum component;AL99.85% surface oxidation. 7) Copper coil:Ø12mm,thickness 0.8mm.
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Pressurized Solar Water heater with Heat Pipe