orizontal solar geyser composed of the boiler 1 comprising the insulation 2, the shell 3, and the electric resistance 10. It bears internally two spiral circular pipes 4 each connected to a closed circuit with one from the solar collectors 9, through the pipe 6; it bears an expansion receptacle 5 and a cleaning cap 7. The heated liquid of the closed-circuit solar collector is conveyed to the spiral pipe 4 and heats up, by contact, the cool water of the boiler. The advantage of the invention isthat this kind of geyser is able to heat up water in short time, with the use of solar energy.
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