Programmable Thermostat for House Radiant Underfloor Heating Mat, Built-in GFCI

This Underfloor Radiant Heating thermostat works with both 120VAC / 240VAC, 50/60Hz. There is a Ground Fault Circuit Interrupter GFCI inside the thermostat. It is used to protect occupants from electric shock if there is a short circuit, After installing the thermostat, test this function to ensure proper and safe operation.