Jura ThermoBlock Temperature Sensor. One end with circular loop ring that is screwed on to the thermoblock, the other end with two male pin connector connects to the logic board wire. End to End length: 170mm (7 inches).  Please review the picture above before ordering this item. Typically needs replacement when Jura machine displays ERROR 3 or ERROR 4 indicating that thermoblock is not heating up.  It is likely that either thermoblock temperature sensor or thermoblock itself needs to be replaced.  Check the continuity on the thermal fuses before ordering this item.  Compare the old part with the display picture & make sure it matches exactly.