Home automation system switch actuator - 1057230 / 1057240 / 1057250 - RDZ S.p.A. - commercial / home / indoor
Thermostatic radiator valve - Wikipedia
Eve Thermo - Smart Radiator Valve with LED Display, No Bridge Required, Integrated Touch Controls, Bluetooth Low Energy Technology, Apple Homekit (prior version) : Amazon.co.uk: DIY & Tools