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Frequently Asked Questions Domestic Solar Water Heating System How it Works Suitability Components of a Solar System Hot Water Cylinder The Controller Drainback Tank or Expansion Vessel

How the controller works

The controller ensures the smooth and automatic running of the system. Temperature sensors in the panel and the hot water cylinder provide continuous information to the controller which decides when there is useful heat to be collected from the solar panel and thus when to switch the solar circuit pump on. The pump is a very energy efficient low wattage pump. Digital temperature readouts are provided so you can see what your solar system is doing.