Non Pressurized Solar Water Heater Controller

Display Features: It shows current water temperature and water level, typically in five percentage increments (25%, 50%, 80%, 100%). Safety Warning: The unit includes a warning to not take a bath while the electrical heating element is active. Technical Specifications: Typical technical specifications include a 220V power supply, operating temperatures between -10 and 40°C, and temperature measurement accuracy of ±2°C.