Components

Solar control units PSR 20, PSR 21

The digital temperature difference control units from pro solar are available in different designs for a wide range of applications. From the single-loop to the 4-loop control unit, numerous parameters can be freely adjusted on the devices.
The storage temperature limiting device is a standard feature just like the overvoltage protection for the collector sensor.

If required, a heat meter or temperature remote indicator can be added to any of the control units.