Home / Installation / GIT-1 At what temperature does the GIT-1 sensor activate? GIT-1 The GIT-1 sensor activates when temperatures drop to 38 degrees or less. 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?