The Hayward Goldline Pro GLX-PCB-PRO ProLogic Automation System Main Circuit Board is a crucial component designed for pool automation systems. Specifically made by Hayward, a reputable brand in the pool industry, this circuit board is compatible with the ProLogic Automation System. It serves as the main control center for managing and operating various functions of the pool system, providing users with convenient and efficient control over their pool equipment. This pool part is essential for ensuring smooth operation and automation of a pool system, making maintenance and operation easier for pool owners.