| 摘要 |
<p>The unit (1) has a hydraulic switch (5) connected to a heating circuit flow connection (55) and heating circuit return connection (56). A boiler flow collector (3), a boiler return distributor (4) and the hydraulic switch are mechanically connected with one another to form a prefabricated component. The hydraulic switch is arranged horizontal and parallel to the boiler flow collector and the boiler return distributor in an operating condition. The boiler flow collector and the boiler return distributor are placed at a distance from one another and are mechanically connected with the switch.</p> |
