Siemens BPZ:SSA955 BPZ: SSA955 Radiator valve actuator

Radio-controlled control drive for radiator valves. During operation, the SSA955 regulates the desired room temperature using the data provided by the QAX9 apartment control center. , - Battery operation with commercially available 1.5 V batteries (included in delivery) , - Whisper operation (e.g. for applications in the bedroom) , - Automatic detection of the valve stroke , - Use of several radiator control drives in one room , - Integrated temperature sensor , - Direct installation without tools using a union nut , - Manual adjustment , - Radio communication based on KNX standard (868 MHz, bidirectional)