The Hayward GLX-PCB-MAIN AquaLogic Main PCB Circuit Board, All Versions is the Main PCB replacement for Hayward Aqua Logic Automation Systems. The Hayward GLX-PCB-MAIN Aqua Logic Replacement Main PCB Circuit Board is for all versions and all date codes. GLX-PCB-MAIN AquaLogic Main PCB Circuit Board, All Versions Hayward. Hayward Pool Products Inc. Catalog Part Number: 2807-01. View more great items. Leisure Time Spa 56 Chlorinating Granules 5 lb (E5). Flippin’ FROG Mineral and Chlorine Sanitizer for Soft-Sided Pools. PoolRx+ Blue Mineral Unit for 7,500 to 20,000 Gallons (331001). This listing is currently undergoing maintenance, we apologise for any inconvenience caused.