Aqara Radiator Thermostat E1 are smart heads for radiators [COUPONS]
Qiumi Zigbee Smart Thermostatic Radiator Valve Supporting remote control by smart life app, voice control by Alexa and Google home (OLED DISPLAY) : Amazon.co.uk: DIY & Tools
TP-Link Kasa Smart Radiator Thermostat Add On, Smart Radiator Valve, Energy Saving, LED display, Smart Schedule, Works with Alexa & Google Home, Easy installation(KE100) : Amazon.co.uk: Automotive