Siemens S55155-A110 Non-Spring Return Valve Actuator
The Siemens S55155-A110 Non-Spring Return Valve Actuator is a small and efficient actuator for precision HVAC system management. This actuator, which runs on a 24VAC/DC power source, is designed to deliver dependable performance in a range of HVAC applications. Its 0–10VDC control signal enables smooth valve position modulation, guaranteeing ideal flow control and energy efficiency in HVAC equipment such fan coil units, chilled water systems, and air handling units.