![Paris, France - Oct 25, 2020: POV man showing Vaillant VR51 room thermostat with other IoT device devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve - green natural stone background Stock Photo - Alamy Paris, France - Oct 25, 2020: POV man showing Vaillant VR51 room thermostat with other IoT device devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve - green natural stone background Stock Photo - Alamy](https://c8.alamy.com/comp/2D8YK2P/paris-france-oct-25-2020-pov-man-showing-vaillant-vr51-room-thermostat-with-other-iot-device-devices-vrc-700f-weather-compensating-thermostats-vr50-thermostatic-valve-green-natural-stone-background-2D8YK2P.jpg)
Paris, France - Oct 25, 2020: POV man showing Vaillant VR51 room thermostat with other IoT device devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve - green natural stone background Stock Photo - Alamy
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![Paris, France - Oct 25, 2020: POV man showing Vaillant IoT devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve and Ambisense VR51 room thermostat Stock Photo - Alamy Paris, France - Oct 25, 2020: POV man showing Vaillant IoT devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve and Ambisense VR51 room thermostat Stock Photo - Alamy](https://c8.alamy.com/comp/2D8YJTT/paris-france-oct-25-2020-pov-man-showing-vaillant-iot-devices-vrc-700f-weather-compensating-thermostats-vr50-thermostatic-valve-and-ambisense-vr51-room-thermostat-2D8YJTT.jpg)