New PCB Printed Circuit Board Fits For Hayward Goldline AquaLogic & AquaPlus. The Hayward GLX-PCB-MAIN AquaLogic Main Printed Circuit Board is a replacement product that is designed for use with Hayward Goldline Aqua Logic Automation and Chlorination Models AQL-PS-4, AQL-PS-8-V, AQL-PS-8 AQL-PS-16-V, and AQL-PS-16. This product is also compatible with Wired Remote Control Automation Model AQL-SS-6B-BOX. This is a Hayward replacement product that has been manufactured with high-quality materials for durability and longevity. Hayward Goldline AquaPlus, Hayward Goldline AquaLogic.