Importance

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Abstract

A water dispenser is provided in which a holder is arranged at a lower level, a cold water tank is arranged at a higher level, and a raw water supply line is sterilized. The water dispenser is provided with a circulation line, upper and lower switch valves, and a heater for sterilization. The circulation line is connected at its top and bottom ends to the raw water supply line in the vicinity of the cold water tank, and in the vicinity of the holder, respectively. The switch valves are provided at upper and lower branch points, respectively. The switch vales are movable between a normal operation position in which a raw water container and the cold water tank communicate with the raw water supply line, and a sterilization operation position in which the raw water supply line communicates with the circulation line.

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First Claim