... tanks, catch basin, etc., for emptying drains, sumps, etc Our water tank level switch has a double chamber Remoulding finish to ... and mercury-free Operated microswitch enable its use in drinking water applicationsLow cost Polypropylene level switchHermetically moulded, double chamberMercury free operated ... differentialLow Specific weight of the floating bodyLevel Switch from drinking water to Sewages ·