The Universal Spa Control System is a powerful and adaptable spa controller designed to operate on 120V or 240V at 50/60 Hz, making it a flexible choice for a wide range of spa and hot tub setups. With a built-in 5.5 kW heater, it delivers consistent water temperature control, while managing critical functions like pumps, blowers, and ozonators for a complete spa experience. Safety and reliability are at the core of its design, featuring pressure switch protection, heater activation indicators, and smart-freeze safeguards to protect equipment in colder conditions. The slide-style heater and included connection cords ensure quick and easy installation or replacement.