Paris, France - Oct 25, 2020: POV male hand holding package above multiple Vaillant Ambisense VR50 thermostatic valve connected IoT device to the gas heating pump boiler Stock Photo - Alamy
Paris, France - Oct 25, 2020: Man hand holding new Vaillant Ambisense VR50 thermostatic valve connected IoT device to the gas heating pump boiler - toilet background Stock Photo - Alamy