| 摘要 |
<p>An electric combination boiler is provided which comprises a water tank (32) having at least one heating element (17) therein. The boiler also has a first heat exchanger (31) having a heat input side and a heat output side, a first heat exchange circuit (19) fluidly connecting the heat input side of the first heat exchanger (31) with the tank (32), and a first water pump (23) adapted to circulate water from the tank (32) through the first heat exchange circuit (19). The hot water supply pipe (46) of the boiler has one end adapted to be connected to a mains water supply and the other end connected to the heat output side of the first heat exchanger (31). The heat output side of the first heat exchanger (31) is adapted to connect the hot water supply pipe (46) to a hot water outlet (28).</p> |
