EAZY Systems Actuator 230 V for underfloor heating, M30 x 1.5 NC (closed without current), the original VA80, suitable for almost any heating circuit distributor Buderus, Heimeier/Kermi/Roth and much : Amazon.de: DIY
Fußbodenheizung Stellantrieb Alpha 5, 230 V NC mit Ventilanpassung VA80 | Selfio