Intelligent controller and many functions cable choice! Introducesuitable  for  separated  pressurized  solar  systemMain technical data1.Dimension:  120mmX120mmX18mm2.Self  power  consumption:  <3W3.Measuring accuracy of temperature: ±24.Temperature range of measurement: 01205.Power of temperature difference controlled circulation pump≤600W6.Power of time controlled circulation pump≤600W 7.Power of auxiliary electrical booster ≤2000W Main functions1.  Clock  display2.  Temperature  difference  on/off3.  Maximum  tank  temperature4.  Frost  protection5.  Temperature  controlled  hot  water  circulation  pump6.  Time  controlled  hot  water  circulation  pump7.  Temperature  controlled  auxiliary  heating  during  three  time  section8.  Protection  functions  (  a.  Memory  protection,  b.  anti-bacteria  protection  )9.    Changed  between/  OF