| 摘要 |
A water level control device is provided to prevent contamination of a water purifier, utilize internal space of the water purifier economically and to decrease noise generated in the water purifier. A water level control device includes a water tank, a floating body(130), a plurality of plotters(140) and an operation unit(150). A plurality of diaphragms(105) are installed on a lower part of the water tank. The floating body installed on the lower part of the water tank includes a passageway(132) and a plurality of switching parts(135). The passageway is formed to discharge water into other side of the floating body. The switching part formed on the passageway blocks flow of the water by the diaphragms.
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