The Walchem WCT310-1N2 controller is now obsolete and has been replaced by the WCT410-1N2U controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WCT310-1N2 and the WCT410-1N2U have the same specifications with bleed & feed w/ 2 biocides and alarm, 120 VAC, prewired, no 4-20 mA output, graphite electrode & flow switch manifold mounted on pp panel, 5 ft cable.
Please click here to view and/or purchase the new replacement controller and to view literature.