Home / Installation / GIT-1 Is the GIT-1 sensor high or low voltage? GIT-1 The GIT Sensor is LOW voltage. Underfloor Heating Thermostats Heated Floors Further Questions? Installation - How far from the controller can the GIT-1 sensor be placed? - How to Complete an Effective GIT-1 Installation - Installing the GIT-1 sensor Miscellaneous questions - Is the GIT-1 sensor high or low voltage? - At what temperature does the GIT-1 sensor activate?