Liquid treatment system

A liquid treatment system, comprising:

• a liquid treatment tank including a resin bed, the resin bed treating liquid inside the liquid treatment tank;
• a sensing material disposed within the liquid treatment tank, the sensing material being subject to a change in size in response to a composition of the liquid flowing therethrough;
• an actuating member movable between a first position and a second position in response to the change in size of the sensing material to thereby mechanically control operation of an actuating stream outlet, such that, when the actuating member is in the first position, flow of an actuating stream of the liquid via the actuating stream outlet is allowed to thereby hydraulically actuate operation of the liquid treatment system;
• and, when the actuating member is in the second position, flow of the actuating stream of the liquid via the actuating stream outlet is prevented, the actuating member being movable between the first position and the second position along an axis axially aligned with the actuating stream outlet;
• and
• a switch member operable with the actuating member;
• wherein the switch member is adapted to open the actuating stream outlet when the actuating member is in the first position, and is adapted to close the actuating stream outlet when the actuating member is in the second position;
• wherein the actuating member comprises a first magnetic member adapted to magnetically interact with a second magnetic member provided at the switch member, such that, when the actuating member is moved from the second position to the first position, the first magnetic member is moved axially towards the second magnetic member along the axis axially aligned with the actuating stream outlet and the switch member is drawn axially away from the actuating stream outlet.