![Siemens S55180-A150 Valve Actuator — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294875164894.png?v=1786102303&width=1445)
The Siemens S55180-A150 valve actuator is a reliable 24-volt electromechanical actuator used to drive hydronic and HVAC control valves open and closed in response to a controller signal. It serves as a direct replacement for the SSB81U, restoring accurate valve positioning and dependable on/off or modulating control.
Specifications
| Voltage | 24V |
|---|---|
| Type | Electromechanical Valve Actuator |
| Replaces | SSB81U |