The new SSA actuators for small valves have been added to the Acvatix valve and actuator line from Siemens Smart Infrastructure. They feature new functions that transform the existing product portfolio and support hydronic room applications with superior control accuracy, energy efficiency as well as reliability. The Acvatix product line meets all control and hydronic requirements associated with the generation, distribution and use of heating and cooling. The SSA actuators feature quiet and fault-free operation and manual override for flexible valve and actuator testing, regardless of system availability. New features offer a variety of installation options as well as a choice of installation direction. With new functionalities such as feedback signal for safety-critical applications and a modern, compact and IP54- compatible design, the new actuators can be used for more applications than ever.