The PCB-Display Aqua Rite/Trol - Hayward GLX-PCB-DSP is a replacement control board. This pool control board is a circuit board for Aqua Rite/Trol Salt Chlorinator Systems. This Hayward control board is designed to be a reliable replacement part that will provide the customer with a dependable performance. The Hayward GLX-PCB-DSP is a durable product that will last effectively for a long time.