Optimum Pool Technologies Main Circuit Board PCB Replacement for Hayward Aqua Rite Salt Systems Aftermarket replacement part for Hayward part number GLX-PCB-RITE Main PCB (printed circuit board). Fits the Hayward / Goldline Aqua Rite Saltwater Chlorinator. Also fits Naturesoft and Mineral Springs systems. Includes a 1 Year Full Warranty. Simple to install, consult owner's manual for instructions. Compatible only with the T-15 size salt cell.