GL-235 Pool Solar Temperature Controller Replacement for Hayward/Goldline Aqua Solar Pool Control 12/24VAC and 120/240VAC Output for Pool, Spa, Hot Tub - Bonbo, win-GL-235

• 【Wide Application】GL-235 controller handles all systems using energy freely provided by nature for solar pool heating systems. Designed for swimming pools, spas, hot tubs heating and cooling, 12/24VAC and 120/240VAC output. A variety of installer programmable features are available to adapt to any system. 【Set & Maintain Ideal Water Temperature】Pool temperature controllers allow you to set and maintain your ideal water temperature without using a pool heater. Single-setting adjustment allows users to easily select their desired temperature and high limit (from 75°F to 104°F). Quick, easy, user-friendly operation will help pool owners maximize system functionality. 【Automatic Heating & Cooling】GL-235 controller features an automatic mode that easily monitors and adjusts the pool temperature, automatically determining whether the water should be heated or cooled with solar energy, ensuring that the pool is at a comfortable temperature. Recirculation freeze protection prevents water from freezing and damaging the solar control system. 【Professionally Manufactured】Input power is 115 or 240 VAC. Automatically maximizes solar heat collection by actuating a 24V valve when there is solar heat available. In addition, our temperature controller features high voltage outputs for controlling filter or booster pumps and is equipped with easy-to-read LED indicators for system operating status. 【Premium Quality】Features a unique microprocessor-based construction, including a locking weatherproof housing to ensure the device can be used in harsh conditions. Durable to support long-term outdoor work.