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Hayward® solar controllers work to heat or cool your pool and spa using nature’s freely available energy. You can enjoy significant savings and a better pool and spa experience, while being environmentally responsible. Solar controls are hot! They automatically use the sun’s energy to heat and cool a pool, instead of the power company’s. All Aqua Solar controls offer:• Automation that maximizes solar heat collection• Single-setting, precision temperature adjustment • Automatic switching (selectable) from solar pool heating to cooling• Easy-to-read LED indicators showingsystem status• Freeze protection option if temperature nears 32°F• Microprocessor-based electronics for accuracy and reliability• Locking, weatherproof enclosure• Installer-programmable features forsystem adaptability• NSF, UL and CUL approved• Exclusive 5-year limited warranty OnCommand® controls solar heating and your backyardOnCommand automates your solar system and makes automating the rest of your pool, spa and backyard affordable. With OnCommand, automating your pump, filter cycle, heater, cleaner, landscape lighting, even water features, is extremely easy. Our OnCommand unit can control almost anything in the backyard automatically, or let you handle it by remote control.This innovative backyard computer saves pool owners up to 70% on energy costs each year. You can program your control unit to take advantage of off-peak utility rates, customize schedules, lower water temperatures to save costs, raise the temperature during peak times and much more. OnCommand is a welcomed replacement for outdated time clocks and a great fit for those not needing to add a subpanel to their pool pad. Introducing Aqua Solar® ControlsHayward offers a complete selection of solar controllers that help you maintain the perfect water temperature, without using your heater. All Aqua Solar controllers automatically divert the water flowing between your pool’s filter and heater and route it through solar thermal collectors. There, the water is heated to a set temperature and circulated back into the pool or spa. Pool owners can even maintain their pool and spa at different temperatures. Aqua Solar can also cool a pool and spa. If water is higher than the set temperature, and the temperature in the solar collectors is at least 8° cooler than the pool water, Aqua Solar automatically circulates cooler water into the pool or spa. An Aqua Solar System can pay for itself in as little as three years.OnCommand offers:• Affordable automation of solar controls• Automated pool, spa and other backyard functions• Pool and spa light dimming • Intuitive programming, easy to read display• Automated schedules for off-peak electrical rates• Optional remote control• Up to 70% energy savings controlling a two- or variable-speed pump• 3-year limited warranty