| 摘要 |
<p>The invention comprises in a preferred form, an electrically operated water heating unit (10) integral with a shower rose (18) and is primarily characterized by the successful use of a "bare" element (22) for heating the water and by the novel switching arrangment, comprising a first set of contact points (28) mounted through a flexible diaphragm (32), the diaphragm forming the roof of the heating chamber (20), and a second set of contacts (36) aligned so as to engage the first contacts (28) when same are moved upwards by water pressure exerting on the diaphragm (32) during use.</p> |
