| 摘要 |
This invention provides a water softener for performing a soft water mode to change supplied cold/hot raw water into cold/hot soft water using an ion exchange resin and discharge the cold/hot soft water, a running water mode to discharge the cold/hot raw water as cold/hot running water, a regeneration mode to generate regenerating water by a regeneration material and discharge regeneration waste water generated in regeneration of the ion exchange resin, and a regulation mode to regulate supply of the cold/hot raw water, including: a tank unit; a feed unit; a discharge unit; and a switch valve unit.
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