| 摘要 |
The present invention relates to a component for a household appliance, in particular for a dishwasher, and to a sump for a household appliance, in particular for a dishwasher, using it. Both the component and the sump are adapted to detect and/or control the level of a liquid in a tub. The component and/or the sump comprise a light transmitter adapted to generate a light beam, a light receiver adapted to receive said light beam, and at least one optical element, in particular made of transparent material, adapted to affect said beam depending on the content of said tub.
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