and nut components are selected for compatibility of use and operation with electrodes 40 best seen with reference to fig2 h current header connecting rod 38 carries offset hole 76 within its flattened portion for use in association with threaded rod 66 offset hole 76 is positioned to one side of a central axis through current header connecting rod 38 through use of offset hole 76 electrodes 40 42 are better prevented from touching and thereby shorting and allow for a more compact cell construction within the available space of chlorinator 26 and flanged union 34 it will again be recognized that similar construction may be provided with regard to current header connecting rod 36 turning now to fig3 an assembled three cell chlorinator 26 in accordance with the present invention is illustrated best seen with reference to this figure is the general position of an exemplary three cell electrode stack 52 within containment housing 32 sealing containment housing 32 at its lower end is lower containment housing cap 78 preferably formed of pvc material lower containment housing cap 78 provides for introduction of water via inlet pipe 28 flanged union 34 carries current header connecting rods 36 38 electrical link 80.