| 摘要 |
A water heating appliance 2 has a water heating chamber 4 having water heating means 12 associated therewith, a water receiving chamber 6 for receiving water to be heated in the water heating chamber 4 and a water treatment cartridge 8 arranged between the water receiving chamber 6 and the water heating chamber 4. The water heating means 12 is switchable between a low power setting and a high power setting and the appliance further comprises switch means 20 responsive.to a quantity of water in the water receiving chamber 6 and operable in the event of the quantity of water in that chamber 6 falling below a predetermined value to switch the water heating means 12 from its low power to its high power setting. <IMAGE>
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