Our batch solar water heater model is well known to South America. General household solar water heaters need to operate automatically or semi-automatically. The control system is indispensable. The commonly used controllers are automatic water supply, water full water and water temperature and water level. Solar water heaters with auxiliary heating are also protected by electric leakage, anti-drying, etc. Features. There are intelligent solar water heaters controlled by mobile phone SMS on the market, which have the functions of water temperature and water level inquiry, fault alarm, start water supply, turn off water supply, start electric heating, etc., which is convenient for users.