The Walchem WDT410-1N6N controller is now obsolete and has been replaced by the WDT410-1N6U controller which now has integrated USB datalogging and software upgrade capability. Otherwise, both the WDT410-1N6N and the WDT410-1N6U have the same specifications with bleed, feed, 2 biocides, ph/ORP, & alarm, 120 VAC, prewired, no 4-20 mA output, graphite electrode, ph electrode & tees (in-line or submersion), 20 ft cables.
Please click here to view and/or purchase the new replacement controller and to view literature.
