The J/L/W/C Spaside VL Panel Overlay is a user interface designed for Balboa VS/Duplex spa control systems. It features clearly labeled buttons for managing essential spa functions such as jets (J), lights (L), water temperature control (W for Warm, C for Cool). The overlay also includes a clear and easy-to-read LCD display, making it simple to adjust settings and monitor your spa system. Built for durability, it is designed to withstand the humid, demanding environment of spas, ensuring long-lasting performance. This overlay is compatible with Balboa VS/Duplex systems, providing a reliable and convenient way to control your spa experience.