Hayward GL-235 Goldline Pool/Spa Solar Temperature Controller
Hayward GL-235 Goldline Solar Control. Aqua Solar - Total solar control system with dual digital display of pool water, solar collector and auxiliary sensor temperatures plus full system diagnostic LEDs. Single-dial adjustment lets pool owners set desired pool temperature effortlessly. Other user customizable features include selectable high limit (from 70-Degree Fahrenheit to 140-Degree Fahrenheit), programmable recirculation freeze protection and nocturnal cooling.