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Room thermostat with control wheel Siemens RAA 21

Room thermostat with control wheel Siemens RAA 21

  • Product code: 30.23
  • EAN : 7612914077318
  • Manufacturer code: RAA21
  • Warranty: 2 years

Simple room thermostat for room temperature control. Temperature setting via control knob. More information

  • Availability

    Delivered within 3 - 4 working days

  • In stock
Original price € 18,95 -13 %
Price without VAT € 13,62
Price with VAT € 16,48

Would you like to get a price offer? Contact us

Parameters and catalogs

Control Control wheel
Design Wired
External sensor No
Measurement accuracy 1 °C
Power 24 VAC, 230 VAC
Program No
Regulation On/Off
Setting range 8...30 °C
Weight 0.18 kg

Datasheet download

Download PDF

Room thermostat for heating or cooling. Simple temperature setting via a wheel, changeover contact.


  • Residential or office buildings and premises.

Suitable for controlling the following devices

  • Zone valves
  • Thermal valves
  • Gas or oil burners for boilers
  • Fans or pumps


  • Possibility to set temperature in the range 8 ... 30 °C
  • Easy temperature setting with the control wheel
  • Contact rating 24 - 250VAC

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