with built-in liquid sensor, can be limited and blocked to an individual setpoint, without memo disc, with frost protection, connection clamp connection, setpoint range 7-28 °C, scale cap 0 * 1-5 fits without adapter to radiators with integrated valve sets from the following manufacturers: Agis, Arbonia, Brötje, Brugman, Buderus, De'Longhi, Hudevad, Ribe/Rio, Thor, Vasco, Vogel & Noot