Schluter Ditra-Heat-E-RT Touchscreen Programmable Thermostat Features Features six programming periods per day, a set-up wizard, an energy log, and a QR code for quick access to system settings Control the DITRA-HEAT-E-HK heating cables (both 120 V and 240 V) Feature a 5 mA built-in ground fault circuit interrupter (GFCI) with indicator light and have an electrical current limit of 15 amps The floor temperature sensor is included Features more than 250 pre-set programs and anticipated start function A dedicated circuit is required for DITRA-HEAT Attractive design in bright white Common Questions Does Ditra heat need its own circuit? Select 120V or 240V heating cable according to power supply; a dedicated circuit is required. How long should you wait before turning on Ditra-heat? Schluter®-Systems recommends waiting 7 days after grouting before consistently using the DITRA-HEAT system.