Representative product-family image. The exact configuration may differ.
Siemens
Siemens SSB61 Modulating Valve Actuator
Compact modulating linear actuator for compatible small heating and cooling valves.
- Model / SKU
- SSB61
- Category
- Heating & Ventilation
- Product type
- Hydronic valve actuator
- Role
- Actuator / load
Control & power
- Control type
- 0–10 / 2–10 V control
- Power supply
- 24 V AC/DC
Use a 0–10 V analogue control output and separate 24 V supply. Do not confuse SSB61 with the three-point SSB31/SSB81 versions.
A suitable smart controller can expose supported functions to Matter. The control type alone does not confirm electrical compatibility or actual position feedback.
Technical specifications
Selection & installation notes
- Valve, actuator and accessories are selected separately; check the manufacturer’s permitted combinations.
Sources & documentation (1)
- Siemens SSB61 — manufacturer documentation ↗Reviewed Nov 5, 2026