GLX-PCB-MAIN Main Printed Circuit Board Replacement for Hayward Goldline AquaLogic Automation Systems. The 2025 New 𝑼𝒑𝒈𝒓𝒂𝒅𝒆 main printed circuit board will compatible with models AQL-PS-4, AQL-PS-8-V, AQL-PS-8 AQL-PS-16-V, AQL-PS-16. The GLX-PCB-MAIN main circuit board is a central control unit designed specifically for pool and spa automation systems. It efficiently manages and coordinates various devices, including pumps, heaters, lights, and sanitization systems, ensuring smooth and uninterrupted operation of your pool or spa. Made of upgraded materials and coated with waterproof adhesive to prevent short circuits. The quality far exceeds OEM, and each product undergoes professional testing before leaving the factory to ensure optimal performance and long-lasting reliability. Please confirm if your model is suitable before purchasing. Worry free after-sales service. Smart and Convenient Operation: This circuit board provides an intuitive interface between the user and the automation system, supporting easy and quick programming, scheduling, and customization. It allows you to effortlessly control all the functions of your pool or spa, providing a more comfortable and convenient user experience. OIMDK 2026 New Upgraded GLX-PCB-Main Main Printed Circuit Board Replacement for Hayward Goldline AquaLogic Automation Systems.