In order to help builders and wholesalers with the selection of the right heat exchanger the Czech company Thermotip Ltd.  has developed a simple tool EVOnomogram. By setting the parameters of filtration system and type of heat source these simple and easy-to-usehand diagrams show the user the most suitable type of the exchanger.

The diagrams are designed to cover flow range from  4  to 15m3 on pool side and up to 7m3 on boiler side. The tool show Depends on emperatures on both sides of heat exchanger the heat load from 11 to 145kW can be chosen.