Ditra Heat Kit System-dhek12040- Schluter Schluter Ditra Heat Kit DHEK12040 Ditra Heat Cable DHEHK12027 (26.7 sq ft. 120V) 5x Ditra Heat Membrane Sheets ( 43.1 sq ft ) Ditra Heat Programmable Digital Thermostat DHERSD/BW 2x Floor Heat Sensors