| 摘要 |
The central heating installation comprises radiators supplied with water heated in a device placed in the hearth of a fireplace. This device comprises a boiler (1, 2) in which the cold water returning from the radiators arrives through an orifice (A), and the hot water leaves at (B). In order to accelerate the start of moving of the water, the boiler (1, 2) has two branched circuits, a first one comprising a layer of water (4), and a second one comprising an inclined tube (5) extending above the fireplace. <IMAGE>
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