Compatible with all indoor floor heating systems, our attractive and elegant thermostat line provides the comfort and precision you desire with state-of-the-art technology. For your safety, all of our indoor floor heating thermostats are protected against malfunction by a built-in ground fault circuit interrupter. SPECIFICATIONS Color : White Full Load Current : 15 A Temperature Settings per Day : 40 to 86 deg F Thermostat Type : 2-Pole, Non-Programmable Type : 4-Wire Voltage Rating : 120/208/240 V AC FEATURES 15 min cycle Auxiliary contact offers the possibility of controlling supplemental heat sources to be added by either using a slave module (TR1310-120-240GA) for heated floors or using a low voltage relay and a low voltage transformer for an electric heater A mode ambient temperature control and possibility of limiting the temperature of the floor using an external temperature sensor F-mode - floor temperature control using and external temperature sensor and possibility of limiting the ambient temperature GFCI fault indicator Compatible with all interior heated floor systems, our sleek, stylish and state-of-the-art controls will give you the comfort and precision you'll enjoy