| 摘要 |
The invention relates to a water preheating device using heat recovery. According to the invention, this device comprises an enclosure 9 which is thermally insulated and filled with a heat accumulator material 12, the enclosure 9 being passed through by a first heat exchanger 10 arranged on the return circuit 6 of a central heating installation, and by a second exchanger 11 through which the water to be heated circulates. Application in the field of energy conservation. <IMAGE> |
