- The classic with proven technology that is simple to operate. Progressively adjustable temperature selection from 40 to 125° C
- Temperature sensor and safety for the heater. Enters OFF mode in case of sensor breakage or short circuit
- Heating time limitation 6 hours
- Visual error display. Light connection.
- It can control heaters up to 9 kW, for higher powers include the power box SET-080-0094.
NOTE: The K4 has been developed especially for private sauna cabins, it is not suitable for commercial use.