What is a flow heater
The flow heater serves for comfortable and economical heating of hot water. You only get energy when you start hot water. A non-pressurized flowless heater suitable for use with a single supply or pressure outlet can be selected to be connected to the existing water supply. The common name used for the flow heater is karma. It originated from the original name of the company that produced this equipment in the Czech Republic. It is used in households and where there is no need for too much water consumption. They are also combined with a central heating boiler. The power is around 10 kW and it is hot for several liters of water to heat up to 70 degrees Celsius per minute.