Are heating elements also used?Updated 3 months ago

No. We follow the health guidelines from England and America, where the use of a heating element is not permitted. A heating element carries the risk of forming legionella bacteria. By keeping the water at the right temperature with an element, instead of occasionally bringing the water back up to temperature with fresh warm water, there is a risk of bacteria growth. The British government has included this in its advice on bath births. Research into infection cases was done by CDC Arizona. 
Source: UK government& CDC Arizona

These hygiene and infection prevention measures are always scientifically substantiated. We prefer to choose prevention instead of cure.

Practice shows that the temperature of the water in the bath remains the same for a long time and it is very easy to bring the water back up to temperature if necessary. Of course, this is all described in detail in the Dutch manual.