Solar water heaters by the cooler, cage, vacuum tube three parts. Cooler is mainly composed of liner, insulation, tank shell, seals four parts. Currently the greatest demand on the market products for the flat-type solar water heater, water tank pressure is very small, so the hostel 304.2B stainless steel solar water heater liner is doing an excellent material. Regular manufacturers have chosen 0.6mm thick sheet vacuum tube solar water heater, welded together with computer-controlled rolling.
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