| 摘要 |
- The invention relates to an exchanger for domestic hot water, particularly for a wall-mounted boiler. - The subject of the invention is an exchanger for domestic hot water, particularly for a wall-mounted boiler providing both heating water and domestic hot water, and of the type comprising an enclosure (2) in which the heating water flows, and a water/water exchanger immersed in the said enclosure and in which the domestic hot water flows, characterised in that it consists of a plurality of series (20, 21, 22, 23) of helical turns or the like, the various series being concentric and separated from one another by tubular partitions (26, 28, 29) which are also concentric and set out so as to constitute chicanes (baffles) constraining the heat transfer fluid flowing in the said enclosure to lap against (lick) the turns of the various series, one series after another. - Application particularly to wall-mounted boilers. <IMAGE>
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