| 摘要 |
<p>The hydraulic switch (5) has two or multiple boilers, particularly hang mounted condensing boilers, and a heating circuit fed by boilers. A connecting flange (61) is provided, which is lying on an external surface area of a housing wall (50') or in the housing wall of its switch housing (50), by which the hydraulic switch is hydraulically and mechanically connected with a boiler feeder line accumulator (3) and a boiler recirculation distributor (4). An independent claim is included for a cascade unit for a heating plant with two or multiple boilers.</p> |
