The Vokera outdoor weather compensation sensor can be connected to certain Vokera appliances to adjust the outlet flow temperature relative to the outside temperature. This is called thermo-regulation. By adjusting certain parameters on the boiler or dedicated control, a unique thermoregulation curve can be set that allows the boiler to regulate the output flow temperature to suit the local climatic conditions. The Vokera Controls Interface will need to be used when installing with a Vokera Easi-Heat Plus combi boiler, the controls interface is sold separately. Compatible with the following Vokera Boilers: Easi-Heat Plus Combi Boiler Compact A Combi Boiler Vision C Combi Boiler Unica i Combi Boiler Linea One Combi Boiler Vision S System Boiler Mynute i System Boiler Verve Open Vent Boiler Mynute VHE Open Vent Boiler Vokera Outdoor Weather Compensation Sensor