Compatible with: Vitodens 100-W - Combi Vitodens 100-W - System Vitodens 111-W - Storage Combi Cannot be used with Vitodens 100-W Heat Only or Vitodens 050-W boilers. Two-way communication between the boiler and thermostat Boiler plus Ideal for one heating circuit systems Manufacturer Stock Code:7968153 EAN Code:4054465830302 Sub-Category:Programmer Brand:Viessmann Range:Vitotrol Category:Heating Controls Type:Wireless