(March 24, 2008) St. Louis, MO Watlow has announced that its on-off temperature and limit controllers are now compliant with the European Reduction of Hazardous Substances (RoHS) directive (2002-95-EC). Watlow’s on-off line of products include the Series CV, LV, CF, LF and TM controllers. These controllers are now compliant by design rather than by exception to the RoHS directive. This means Watlow uses components that meet hazardous material restrictions outlined in the directive.