Instantaneous Domestic Hot Water or Balloon?

Instantaneous Domestic Hot Water or Balloon?

Domestic water flows through a coil or plate heat exchanger located in the heating element. The opening of a hot water tap closes a vacuum contactor, usually resulting in :

 – The burner (or resistors) is ignited and transmits its calories to the domestic water through the exchanger;

 – the heating circuit may be temporarily stopped to devote all the available energy to heat the domestic water.

 Closing the tap restores the previous situation.