| 摘要 |
A water softener employs a vessel, a distributor with a manifold body associated to said vessel and a valve control device. A control unit programs operation of the softener. An actuator unit has a cylinder divided into a first chamber and a second chamber. The actuator unit is adapted to move a spool to define different flow ways, for water. The first chamber communicates directly with a water inlet pipe, and the second chamber communicates with the inlet pipe through a valve and an outlet.
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