солнечная

solar water heater high quality, competitive price OEM service CCC,CE,SGS,ISO9001,Solar Keymark Inner tank: Stainless steel SUS304, 0.4-0.5mm Outer tank: color steel, 0.31mm Vacuum tube: common \three-target; 47x1500 \ 58x1800 Bracket: Galvanized steel\Aluminum alloy steel\stainless steel Insulation: Polyurethane Optional spare parts: electric heater, magnesium rod, assistant tank, reflector Packing: Export carton with full foams Feature It is one of the most common uses solar water heating system for household, hotel, hospital, project application etc.It has simple structure and working principle but is the most economical. It is easy to be installed on the roof to get enough water flow pressure, because the compact system is non-pressurized, water flow depending on gravity water head. This system matched with vacuum tube solar collector. Water flow inside and complete a circulation on it own without given pressure, which is how the name comes from.