The Walchem WCT410-1N1N controller is now obsolete and has been replaced by the WCT410-1N1U controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WCT410-1N1N and the WCT410-1N1U have the same specifications with bleed & feed w/ 2 biocides and alarm, 120 VAC, prewired, no 4-20 mA output, graphite electrode & tee, 20 ft cable (for in-line or submersion mounting).
Please click here to view and/or purchase the new replacement controller and to view literature.
