Home / Wiring / 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 Miscellaneous questions Is the GIT-1 sensor high or low voltage? At what temperature does the GIT-1 sensor activate? Wiring Is the GIT-1 sensor high or low voltage? What gauge wire should be used for the GIT-1?