| 摘要 |
PURPOSE: A water purifier with a hot water tank is provided to operate a heater according to a measured water level, and to directly mount a water level sensor on the hot water tank while reducing the malfunction of the heater. CONSTITUTION: A water purifier with a hot water tank comprises the following: a water tank(60) storing hot water; a heater(65) warming purified water inside the water tank; and an electrode water sensor(70) transmitting water level information to a control part(80) after measuring the water level of the hot water inside the water tank. The hot water tank comprises an outer container(61) and an inner container(63). The insulating materials(64) are filled between the outer container and the inner container.
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