reflux valve 29 and the water outlet valve 2501 are integrated to form a second two way integrated control valve which is ganged the water outlet valve 2501 comprises a third fluid channel and the reflux valve 29 comprises a fourth fluid channel the third fluid channel and the fourth fluid channel are coordinated with and simultaneously rotated with a valve core rod 210 the valve core rod 210 comprises a contact 210 a and the contact 210 a is corresponding to a third contact switch not shown and a fourth contact switch not shown which are disposed at different positions respectively the third contact switch not shown is electrically connected to a plc and a switch of the pressure pump to form a third electrifying switch circuit and the fourth contact switch not shown is electrically connected to a plc and a switch of the pressure pump 22 to form a fourth electrifying switch circuit when the valve core rod 210 is rotated to a third set position the third fluid channel is in an on state and the fourth fluid channel is in an off state the contact 210 a triggers the third contact switch and the third electrifying switch circuit is turned on when the valve core rod.