Sodium hypochlorite continuous system is the process, which uses liquid or vapour chlorine and caustic, is versatile and has the design capability of making any concentration of sodium hypochlorite solution from 2 trade percent up to 20 trade percent. The continuous sodium hypochlorite process system is constructed of high quality components to ensure long service life with a minimum of maintenance. In addition, mechanical refrigeration is not required to cool the process. When cooling is required, titanium plate heat exchangers utilize water from cooling towers to cool the process. The unit is small and compact, housed by sturdy steel frame that measures 20'long by 8' wide by 9' high.