GLXLOCALP4 Local Display Replacement Overview This GLXLOCALP4 local display replacement is compatible with Hayward Goldline Aqua Logic automation and chlorination models PLP4 and AQLP4CUL. It replaces part numbers GLXLOCALP4, GLXLOCALP4, and 431501030 and restores local monitoring and control functionality without replacing the entire control system. Key benefits Direct compatibility: Designed to work with the specified automation and chlorination models for a reliable replacement. Accurate monitoring: Digital display and button settings provide clear readings for pool temperature, air temperature, chlorine level, and brine parity. Durable construction: Built from quality materials with moisture, rust, and corrosion resistance to withstand harsh outdoor environments. Reliable performance: Sensitive response, accurate reading, and stable operation help maintain correct system feedback and reduce troubleshooting time. Easy identification: Supplied as a dropin replacement for listed part numbers to simplify ordering and inventory matching. Features and attributes Function: Local display and control interface for pool automation and chlorination systems. Compatibility: For use with Hayward Goldline Aqua Logic models PLP4 and AQLP4CUL; replaces GLXLOCALP4, GLXLOCALP4, 431501030. Display and controls: Digital readout plus tactile buttons for setting and monitoring key parameters. Materials and durability: Corrosion and moisture resistant construction suitable for outdoor equipment rooms and poolside enclosures. Performance: Fast, sensitive response and consistent readings for dependable system management. Use scenarios a cracked or nonresponsive local display after weather damage to restore local control and monitoring. Install during routine maintenance to an aging panel and ensure continued accurate readings for chlorine and temperature. Swap in as part of work at a community pool, hotel, or residential installation using the compatible automation and chlorination models. This replacement local display provides a straightforward way to restore monitoring and control functions while maintaining the performance and durability needed for outdoor pool systems.