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Paris, France - Oct 25, 2020: Overhead view on green natural stone background of Vaillant IoT devices - VRC 700f weather compensating thermostats, VR50 thermostatic valve and Ambisense VR51 room thermostat Stock Photo - Alamy
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Vaillant VRT 340 °F Radio Room Control/Radio Room Temperature Controller with Week Program : Amazon.de: DIY & Tools
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