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Siemens Thermal Valve Actuator - Straight

View all Valve Actuators

Subtotal (1 unit)*

£102.40

(exc. VAT)

£122.88

(inc. VAT)

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  • Ready to ship from 23 July 2026
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Units
Per unit
1 +£102.40

*price indicative

RS Stock No.:
658-464
Mfr. Part No.:
SSA911.02TH / S55181-A102
Brand:
Siemens
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Brand

Siemens

Product Type

Valve Actuator

Actuator Type

Thermal

Function

Straight

Standards/Approvals

No

RoHS Status: Exempt

COO (Country of Origin):
DE
The Siemens Wireless Radiator Actuator Thread is an RF-controlled actuator that communicates via the KNX IoT over Thread protocol (2.4 GHz, bidirectional). It connects seamlessly with the KNX IoT BACnet IP Gateway and supports Plug and Play Automation. The actuator is battery-operated, using 2 x 1.5 V AA batteries, and features a valve thread connection of M30x1.5 mm. It is designed to work with radiator valves from various manufacturers in HVAC applications, controlling water flow and room temperature.

Nominal stroke 5 mm

Valve positioning force 90 N

Adapts automatically to valve

Integrated temperature sensor and PI controller

Integrated temperature setting on the wireless radiator valve actuator or over the network

Touch element operation

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