| 摘要 |
At present, there is no comparable offer on the market for the abovementioned system. The construction of this heating boiler is based on obtaining the greatest possible efficiency from the smallest possible combustion chamber. This is only possible, however, by converting the heat. Since no heat is withdrawn directly from the boiler water, but is transferred indirectly to the hot-air heat exchanger (closed heating circuit) integrated in the boiler, high temperatures are thus always guaranteed. There is no danger for the boiler at excess temperatures since it is connected to an open expansion tank (evaporator). This system can also be operated by means of water, but for this purpose the installation of a thermal circulation-prevention means or discharge-prevention means is necessary. The system is designed such that it can be easily maintained and cleaned by any operator.
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