Truma 50212-01 DuoC DuoControl indicator with EisEx

Remote screen that indicates which bottle is active in our DuoControl system, the main or the reserve.
System to prevent freezing in winter.
It can be turned off in summer.
Valid for later DuoControl 2019
Specs:
Type: DuoC for 2019 DuoControl CS
Supply voltage: 12V
Srohm recording:
Summer operation: 1.5 mA
Winter operation with EisEx: 160 mA
Color: black