Temperature Difference Controller TR3100TD

Features
Backlight LCD display
2 PT1000 inputs, 1 water pump output
large LCD with slim casing design
T1_min adjustable ,50°C by default
T1_max adjustable, 90°C  by default
T1-T2_ON adjustable, 15°C  by default
T1-T2_OFF adjustable,10°C by default
Limitation of storage tank temperature
Temperature display °C / °F