Radiator Thermostat help

If your Bosch Smart Home Radiator thermostat does not fit your heating system, the following solutions are available:

Use an adapter

The Bosch Smart Home Radiator thermostat comes with several adapters. Try to use one of these adapters. If none fits, you can purchase additional adapters from retailers.

Install the adapter

Push the appropriate adapter fully onto the valve. You should hear a click when the adapter is properly seated.

Contact customer service

If you are unsure, you can take photos of your radiator valve from different angles and send them to our customer service. Please use ourContact form.

If your Bosch Smart Home Radiator thermostat displays the error message "Valve travel too long", this may indicate a problem with the installation or mounting. Here are some steps you can take to rectify the problem:

Check the assembly

Make sure that the thermostat is correctly mounted on the radiator valve. It should sit firmly and not wobble or turn easily.

Check the valve travel

The valve travel is the distance that the valve opens and closes. If this is too long, the thermostat may not be able to control the valve correctly. You can try to shorten the valve travel by mounting the thermostat closer to the valve.

Reset the thermostat

If the above steps do not resolve the problem, you can try resetting and reinstalling the thermostat.

If you continue to have problems or are unsure how to proceed, please do not hesitate to contact our customer support. We are here to help you!

Removing your old thermostat from your radiator is a simple process that can be done in a variety of ways, depending on the model. Here are the most common methods:

Screw cap

With this method, you can simply turn off the thermostat.

Clip lock

The thermostat must be clipped off to the side here.

Allen lock

In this case, you must remove the thermostat from the side using an Allen key.

Please note that if you are unsure, you should always seek the help of qualified personnel to avoid damage.

Having trouble installing your Bosch Smart Home Radiator thermostat? Don't worry, we're here to help you! Here are some simple steps you can follow:

Step 1: Check the installation

First go to the "Devices" menu item and check whether the device has already been recognized. If so, remove it and try the installation again.

Step 2: Reset the device

If the reinstallation does not work, try a reset. This works as follows:

- Remove one of the batteries from the battery compartment. Press and hold the mode button on the thermostat while reinserting the battery.

- Wait until the thermostat LED flashes orange, then release briefly.

- Press the button again until the LED lights up green.

- Wait a moment and then follow the instructions for connecting again.

Step 3: Check the batteries and the position

Make sure that the batteries are inserted correctly and that the LCD display is active. Also make sure that the device is at least 1 m away from the controller when programming.

Step 4: Disconnect the controller from the power supply

If all other steps do not work, briefly disconnect the Smart Home controller from the power supply and try again.

For a visual guide, you can watch our reset video on this page or on ourBosch Smart Home Youtube Channelview. We hope these steps will help you to install your thermostat successfully!

If you hear unusual noises during the installation of your Bosch Smart Home Radiator thermostat, here are some possible explanations and solutions:

Calibration noise

Quiet, humming noises may occur during calibration of the Radiator thermostat. This is normal and part of the installation process.

Loud or creaking noises

If you repeatedly hear loud or creaking noises during operation, the Bosch Smart Home Radiator thermostat may be defective or not properly fastened. In this case, you should check the fastening of the Radiator thermostat again.

Adapter required

Some heater models require an adapter. Make sure you use this if it is required for your model.

Herego to the adapter check.

Please also note theOperating/installation instructionsfor further information and instructions.

Yes, you can display the temperature measured by your Bosch thermostat. Here are the steps you need to follow:

1. open the Bosch Smart Home appon your smartphone or tablet.

2. go to"More"and then to"Devices".

3. select"Radiator thermostat"and then the specific thermostat whose temperature you want to display.

4. in the section"Measured temperature"the temperature currently measured by the thermostat is displayed.

Please note the following points:

- The temperature displayed already includes the set temperature adjustment.

- As the temperature is measured directly at the thermostat, there may be deviations from the actual room temperature. However, you can correct this deviation by adjusting the temperature.

In some cases, such as an error during the first calibration or if the valve travel is too long, it may be necessary to recalibrate your Bosch Smart Home Radiator thermostat. Here are the steps you need to follow:

1. briefly press the mode buttonon the thermostat. This should start the calibration process.

Or

2. remove one of the batteries and reinsert it. This should also start the calibration process automatically.

Calibration may take a few minutes. During this time, the thermostat should not be moved or switched off. After recalibration, the thermostat should function correctly again

Yes, you can connect your Bosch Smart Home Radiator thermostat to Apple HomeKit for convenient voice control via Siri.

To establish the connection, you need the Apple HomeKit app and the Bosch Smart Home app. Follow the instructions in the apps to connect the devices and set up voice control.

Installing your Bosch Smart Home Radiator thermostat is a simple process that you can do yourself. Here are the basic steps:

1. preparation:Make sure that your radiator has a standard M30x1.5 valve. This is the most commonly used valve type. If your radiator has a different valve, you will need a suitable adapter. This is often included with the thermostat or can be purchased separately.Herego to the adapter check.

2. set up in the app:Open the Bosch Smart Home app, select "More"--> "Devices"--> "Add device" and follow the instructions to connect the Radiator thermostat to the Bosch Smart Home controller.

If the display of your Radiator thermostat remains blank and the device does not respond, it could be that the batteries are almost flat. This may mean that the temperature control no longer works as usual.

Follow these steps to resolve the problem:

1. replace batteriesReplace the batteries as soon as possible. Your thermostat requires two AA batteries, also known as Mignon batteries or LR06.

2. remove residual voltage:If the display is still blank after replacing the batteries, remove the batteries, press any button for several seconds and then reinsert the batteries.

After these steps, your Radiator thermostat should work as usual again.

You can attach the Bosch Smart Home Radiator thermostat to almost all radiators. All you need to do is remove your old thermostat and attach the Bosch Smart Home Radiator thermostat.

You may need an adapter for your existing valve. If the adapters supplied do not fit, it is possible to purchase additional adapters. The overview of the available adapters and their assignment to the different valve types you will findhere.

To reset your Bosch Smart Home Thermostat, please follow these steps:

Steps for resetting

1. remove the batteries from the battery housing. It is sufficient to remove only one battery.

2. press the "Mode" button (the lower button with the circle symbol) and hold it down while you reinsert the batteries. The LED will start to flash green/orange, but keep the button pressed.

3. if the LED flashes orange quickly, release the button briefly and press it again until "rES" disappears from the display and the LED flashes green.

4. the device will now restart. This may take a few seconds.

Further resources

For a visual guide, you can watch our reset video on this page or on ourBosch Smart Home Youtube Channelview.

The terms "warm phase", "cold phase" and "rapid heat-up" refer to different functions of the Bosch Smart Home Radiator thermostat. Here's what they mean:

Warm phase

This is the temperature you set for your home when you are present.

Cold phase

This is the temperature that should be set when you are not at home.

Fast heating up

This function, symbolized by a "rocket" in the manual control view of the thermostat, greatly increases the heat output for a short time to quickly bring the room temperature to the desired level. HI" appears on the thermostat display.

Setting temperature profiles

With the Bosch Smart Home app, you can set individual temperature profiles for each room. To do this, select the room in the app's main menu and swipe to the left to choose between automatic and manual operation. Swipe further to the left to access the timer, where you can set and save individual heating and setback times for each day.

You can easily set the temperature in your home using the Bosch Smart Home app and your Bosch Smart Home Radiator thermostats or Room thermostats. Here's how it works:

Individual room temperature

1. open the Bosch Smart Home app and go to the home screen.

2. select the room for which you want to set the temperature.

3. adjust the room temperature according to your requirements. You can set both the heating temperature and the setback temperature.

Manual setting

You can also set the heating temperature manually, either in the Bosch Smart Home app or directly on the Bosch Smart Home Radiator thermostat. This manually set temperature remains active until the next switching point.

Time profile

You can create a time profile with the Bosch Smart Home app. You can set up to 13 switching points per day and define a heating and setback temperature for each switching point. The Bosch Smart Home Radiator thermostat then automatically sets the stored temperature at the specified times.

Automatic mode

In automatic mode, the Bosch Smart Home Radiator thermostat regulates the temperature based on the presets in the Bosch Smart Home app.

Please note that for optimal use of the functions, you must have theOperating/installation instructionsshould note.

If you have several Bosch Smart Home Radiator thermostats in a room, you cannot control them individually. But there is a solution:

Subdivision into virtual rooms

With the Bosch Smart Home app, you can divide a real room into several virtual rooms. For example, your "living room" could be divided into "living room left" and "living room right".

Moving the thermostats

Once you have created the virtual rooms, you can move the Radiator thermostats to the respective room. In this way, you can control the thermostats in the different areas independently of each other.

Room thermostat per virtual room

Please note that you need a Room thermostat for each virtual room in order to control the Radiator thermostats.

If the Bosch Smart Home app displays Fahrenheit instead of degrees Celsius, this is due to the settings on your device. Here's how you can change this:

For iOS devices (Apple):

The temperature unit is set centrally in the operating system. To change this, please follow these steps:

1. open the settings on your device.

2. select "General".

3. select "Language & region".

4. select "Temperature unit" and set this to degrees Celsius.

For Android devices:

The temperature unit is usually controlled via the system language. A specific setting is usually not possible. If you set the system language to a language that uses degrees Celsius (such as German), the app should also display degrees Celsius.

If the batteries in your Bosch Smart Home Radiator thermostat run out, this has certain effects on the function of the device:

No motor power

The Bosch Smart Home Radiator thermostat requires electricity to control the valve. Without batteries, it can no longer move the valve.

Emergency position

If the battery voltage falls below 2.1 volts, the Bosch Smart Home Radiator thermostat II switches to an emergency position. In this position, the valve opens to 15%.

Temperature control

With a valve opening of 15%, the Bosch Smart Home Radiator thermostat can no longer maintain a specific temperature. However, this opening should be sufficient to maintain an approximately normal room temperature until the batteries can be replaced.

We recommend checking the batteries regularly and replacing them if necessary to ensure that your Bosch Smart Home Radiator thermostat always works optimally.

If "SFA" is shown on the display of your Radiator thermostat, this means that the device is in internal control mode. This mode can be activated accidentally if the circle button and the minus button on the thermostat are pressed simultaneously for some time. But don't worry, it is easy to exit this mode:

Exiting SFA mode

To exit SFA mode, simply press the circular button on the thermostat for a few seconds and wait a while. The appliance should then switch back to normal operating mode.

Here are some steps you can take to fix the problem:

Step 1: Check the window contact

Make sure that the window contact indicates opening and closing via the built-in LED. In addition, the window contact of the window concerned must be assigned to the same room as the thermostat.

Step 2: Check the position of the components

The parts of the window contact should be a maximum of 8 mm apart and at the same height (bottom edge) in order to function correctly.

Step 3: Check the batteries

Make sure that the batteries are correctly inserted in both the window contact and the thermostat.

Step 4: Check the Smart Home controller

Depending on whether you have activated remote access, two or three LEDs on your Smart Home controller should light up continuously.

"Ventilation detection" is a useful feature in your Bosch Smart Home app that helps save energy and extend the battery life of your Bosch Smart Home Radiator thermostats. Here's what you need to know about it and how to set it:

What is ventilation detection?

Ventilation detection recognizes when a window or door is opened and adjusts the Bosch Smart Home Radiator thermostat down to save energy. This is particularly useful for shock ventilation or when a door or window is only opened briefly.

How can I set the ventilation detection?

1. open your Bosch Smart Home app and go to "Services".

2. select "Ventilation detection".

3. here you can select which Bosch Smart Home Door/window contacts should use the ventilation detection.

4. you can also set the response time after which the Bosch Smart Home Radiator thermostat reduces the temperature.

With these settings, you can ensure that your Bosch Smart Home Radiator thermostats only heat when necessary, saving energy and battery life.

If your Bosch Smart Home Radiator thermostat has no connection and can no longer be reached, there are various steps you can take to rectify the fault:

Manual control

First try to control the thermostat manually. If this works, the problem could be related to the connection between the thermostat and the Smart Home controller.

Reach

The distance between the Smart Home controller and the thermostat could be too great. Try bringing the two devices closer together to see if that solves the problem.

Sources of interference

Other electronic products in the vicinity could interfere with the connection. Check whether you can move these devices to improve the connection.

Minimum distance

Make sure that the thermostat is at least 1 meter away from the Smart Home controller to avoid interference.

Battery status

Do not forget to check the battery status of your thermostat. A flat battery could also be the reason for the connection problems.

If you have followed these steps and the problem persists, please do not hesitate to contact ourContact formto use!

Yes, you can also use your Bosch Smart Home Radiator thermostat without a Smart Home controller. However, there are some restrictions and requirements that you should be aware of:

Limited range of functions

You cannot use time programs and smart functions without a Smart Home controller. However, you can set the target temperature directly on the device using the buttons.

No voice assistants

If you want to connect your thermostat to a voice assistant such as Google Assistant, Alexa or Homekit, you will need a Smart Home controller.

Although it is possible to use the thermostat without a controller, we recommend using a controller to take full advantage of all the features and benefits of your Bosch Smart Home thermostat. If you have any further questions, we're here to help!

The summer pause function on the Bosch Smart Home Thermostat is a useful feature that helps you to save energy. You can activate this function via the Climate Manager service in the Bosch Smart Home app. More information about the function here:

1. what is the summer break?In the warmer months, you can stop the temperature control of your thermostat. This means that the heating does not run unnecessarily and you can save energy.

2. room selection:You can select the rooms in which the temperature control should continue to run. This is useful for rooms that also need to be heated in summer, such as the bathroom.

3. manual activation:If you need the heating in a room, you can activate it manually on the thermostat or centrally in the app at any time.

4. display:When the summer pause is activated, "OFF" is shown on the display of your thermostat.

5. further functions:During the summer break, ventilation detection and rapid heating are deactivated. However, the frost protection function, limescale protection and child safety lock remain active.

The operating instructions for the Bosch Smart Home Radiator thermostat can be found here:

Link to the operating instructions

The Bosch Smart Home Radiator thermostat shows you the currently set target temperature directly on its display as standard. You can therefore activate the display at any time and take a look at the thermostat to see the set temperature.

To show the target temperature (the temperature you have set for the room) on the display, simply open the Bosch Smart Home app and select the desired thermostat. You can then customize the display according to your wishes.

To change the settings for your Bosch Smart Home Radiator thermostat, please use the Bosch Smart Home app. Here you can, for example, adjust the heating phases. Follow these steps:

1.Open the Bosch Smart Home appon your smartphone or tablet.

2.Tap on the favorites tilethe desired room temperature control.

3.Click on the cogwheel at the top rightand then select the desired Radiator thermostat.

4.Make the desired changes. For example, you can adjust the display duration.

Alternatively, you can also change the settings via the device management in the app. Here you will find an overview of all connected devices and can make individual settings.

If your Bosch Smart Home Radiator thermostat of the first generation is defective, you will receive a Bosch Smart Home Radiator thermostat II as a replacement product in the event of a guarantee or warranty claim.

The Bosch Smart Home Radiator thermostat is a smart device that helps you achieve and maintain the perfect room temperature. Here are some of its main functions and features:

Individual temperature control

With this thermostat, you can set the temperature for each room individually. It has an illuminated LCD display and a control LED to help you regulate the room temperature.

Precise settings

You can set your preferred temperature with an accuracy of +/- 0.5 °C directly on the thermostat or via the Bosch Smart Home app. An integrated sensor continuously measures the current room temperature and keeps it constant as soon as the desired value is reached.

Time-controlled settings

The thermostat allows several time-controlled settings per day. You can set a different rhythm for each day of the week to meet your individual needs.

Simple operation

Whether you want to sleep at 17.5 °C and be greeted by a warm bathroom at 7:00 am, the Bosch Smart Home Radiator thermostat makes it possible. Simply set your desired temperature and let the thermostat do the work.

For more information about the Bosch Smart Home Radiator thermostat, take a look at theOperating instructions.

The exact scope of delivery of the Bosch Smart Home Radiator thermostat can be found on the corresponding product page of our webshop. Please follow thisLink.

The "Child Lock" option in the settings of your Bosch Smart Home Radiator thermostats and Room thermostats provides additional security and control. Here's what it does:

Activating the childproof lock

If you activate the parental control in the Bosch Smart Home app, it prevents the settings on the Bosch Smart Home Radiator thermostat from being changed manually.

Control only via the Bosch Smart Home app or voice control

With the child lock, changes can only be made via the Bosch Smart Home app or by voice control. This prevents children or other people from changing the settings unintentionally.

The radiation exposure of the Bosch Smart Home Radiator thermostat is very low. Here are the most important points you should know:

1. frequency and transmission power:The thermostat communicates with the Smart Home controller in the frequency range around 868 MHz. The maximum transmission power is 10 mW and is only used for a few milliseconds every few minutes, but for a maximum of 36 seconds within an hour.

2. energy-optimized operation:As the thermostat is battery-operated, great importance is attached to energy-optimized operation. This minimizes the amount of communication between the thermostat and Smart Home controller.

3. comparison with other devices:The thermostat's radiation exposure is significantly lower than that of other radio radiation sources such as WLAN, cordless telephones (DECT) or mobile devices.

4. further information:For further information on radiation exposure, you can visit the German Federal Office for Radiation Protection.

Please note that the radiation exposure also depends on the duration and distance from the transmitter. As a rule, however, the radiation exposure is so low that it does not have any health effects.

Please refer to the current operating instructions for the technical data of the Radiator thermostat under the following linkLink.

Yes, you can connect your Bosch Smart Home Radiator thermostat to Amazon Alexa for convenient voice control. With Alexa, for example, you can set the temperature in your home without having to pick up your smartphone.

Please note that you need the Amazon Alexa app and the Bosch Smart Home app to set up the connection and that both devices must be connected to the Internet. Follow the instructions in the apps to establish the connection and set up voice control.

If your Bosch Smart Home Radiator thermostat is faulty or not working properly, we are here to help. Please contact our customer service. The best way is to use ourContact form.

Our customer service will help you diagnose the fault and can also inform you of the next steps.