Electronic room thermostat, LCD, setting knob- SIEMENS - RDH100
  • Electronic room thermostat, LCD, setting knob- SIEMENS - RDH100

Electronic room thermostat, LCD, setting knob- SIEMENS - RDH100

RDH100/SI
€46.80
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Colissimo Delivery expected from 2026-09-24

Available

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  • ✓ Free returns within 30 days
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RDH100: Siemens thermostat

This Siemens room thermostat offers a display capable of displaying the room temperature, the chosen comfort temperature, the heating demand and the condition of the batteries (2x 1.5V AA batteries).
There is a selection button located at the bottom, to access the various parameters of the RDH100 thermostat.
The unit can be used with valves STA23, STP23 and SFA21 from Siemens.

Features of the RDH100 thermostat

  • Wired on/off thermostat
  • Temperature range: 5 to 30 °C
  • Pre-programmed comfort temperature: 20 °C
  • Weight: 350 g
  • Colour: RAL9003 white

Safety information:
To protect yourself against electrical hazards, ensure that the unit power supply is switched off before performing any work. If in doubt, do not risk installing it incorrectly: Seek advice from a qualified professional, such as an electrician.

Features of product: ELECTRONIC ROOM THERMOSTAT, LCD, SETTING KNOB- SIEMENS - RDH100

Package Weight (kg)
0.301
Package Height (m)
0.051
Package Width (m)
0.096
Package Length (m)
0.127

The Keys to Siemens Regulation: From Sensor to Actuator

In building management systems (BMS), Siemens components are essential for automation. A high-performance system relies on seamless communication between the measuring device and the control element.

1. Siemens Thermostat: Measurement and Comfort

The Siemens thermostat is the dialogue point between the user and the heating system. It is not just used to display the temperature but also to finely control heating, often through sophisticated protocols.

We provide wired or wireless programmable room thermostats, essential for managing independent heating zones and optimizing time slots. Choosing the right model ensures precise settings (+/- 0.5°C), directly translating into savings.

2. Siemens Actuator: Action and Efficiency

The Siemens actuator is the hydraulic actuator. Its role is to precisely position valves (mixing valves or zone valves) in order to control the flow of hot water to a given circuit.

As the centerpiece of the heating zone, it must be fully compatible with the regulation electronics (0-10V signal, 3 points) and the valve it is mounted on. Replacing a faulty actuator allows for immediate restoration of optimal control over the water mix (supply/return) and avoids unnecessary overheating.

Advice for Identification and Compatibility

With Siemens' extensive and highly technical range, it is vital to check the specifications of the part to be replaced:

  • Product reference: Always rely on the 7 or 8 character code on the label (e.g., RDE10.1). This code determines the function, voltage, and communication protocol.

  • For Actuators: Check the power (torque) and stroke duration (opening/closing time) to ensure it can move your valve.

Expert Tip: When replacing a Siemens thermostat or a Siemens actuator, check the configuration of the dip switches or the initial programming. Incorrect calibration of the zero point or end stroke can lead to malfunctions, even if the part is new.

Ensure the reliability of your regulation system with ExpertByNet, the specialist in Siemens components for HVAC.

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