HomeMatic Wireless Radiator Valve Drive from Conrad.com. Indoor temperature and humidity sensor | Elfa Distrelec. Radio switch interface 3-CH | Elfa Distrelec. Switch actuator 2-channel | Elfa Distrelec. Switch actuator 1-channel | Elfa Distrelec. Configuration tool LAN | Elfa Distrelec. Wireless wall thermostat | Elfa Distrelec. MAX Radiator Thermostat | Elfa Distrelec.