PURPOSE: An apparatus for supplying water is provided to reduce manufacturing costs and simplify structure by coupling the first and second opening/shutting units integrally with the main body of the apparatus. CONSTITUTION: A water supply apparatus comprises a main body(10), a first opening/shutting unit(20) and a second opening/shutting unit(30). The main body includes a first inlet(11) with a predetermined length and which has a first chamber(12) extended from the top of the first inlet; a first communication hole(13) having a second chamber(14); and a first outlet(15) and a second outlet(16) communicated to the second chamber. The first opening/shutting unit is mounted at a side of the first chamber, and opens/shuts the water supplied through the first inlet in accordance with an electrical signal. The second opening/shutting unit is mounted in the second chamber, and selectively supplies the water passed through the first inlet and the first communication hole during opening of the first opening/shutting unit to the first outlet or the second outlet in accordance with an electrical signal.
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