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HovalConnect FAQ

How do I register my Hoval heating system with HovalConnect?

To register, please go to the HovalConnect login page and follow the registration steps.

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Can I change my e-mail address?

Yes, you can change your saved e-mail address.

For your own security, the e-mail address can only be changed by contacting our customer service team. Please use the contact form on the right to request the change. We will contact you and explain what steps need to be taken.

Important for private individuals:
Please use a private e-mail address!

If you use a professional e-mail address, there is a risk that you will no longer be able to access your system after a change of employer, and service messages will no longer reach you.

How do I change the WLAN password?

For security reasons, the WLAN password can only be changed on one of the Hoval control modules directly (e.g. on your Hoval plant or a wall-mounted control module). Follow the steps in the instructions.

How do I change the WLAN for my Hoval plant?

For security reasons, the WLAN can only be changed on one of the Hoval control modules directly (e.g. on your Hoval plant or a wall-mounted control module). Follow the steps in the instructions.

Why do HovalConnect and the control module show different times for error messages?

The times in plant messages shown on the heating control module may differ from the times displayed on the HovalConnect platform or in an e-mail or push notification.

 Click to read more

How do I update my HovalConnect app?

Want to make sure you are using the latest version of the HovalConnect app?

The HovalConnect app is managed via the Apple (iPhone) and Google (Android) app stores. As soon as a new version of the app is available, you can download it from those stores.

You can use the automatic update function to ensure you are always running the latest version. But if you prefer to update your apps manually, you can find the new version in whichever app store you use.

See here for a guide on how to set up automatic updates or perform a manual update:
Guide for Apple iPhone (iOS):
Guide for Android:

Please continue to use HovalDesk with the Hoval TopTronic app for Hoval plants that have not yet been migrated to HovalConnect.

What can I do if my plant is offline or the connection keeps dropping out?

Is the HovalConnect app showing that your plant is “offline”? Does the connection to your plant keep dropping out? It can often be difficult to pinpoint the cause of problems like these, since they could be down to your Internet connection, your home network or – more rarely – HovalConnect. 

Problems with your Internet connection:
First check that you can open other webpages quickly and easily. If you cannot, please contact your Internet provider.

Settings on the interface module:

Problems with your WLAN:
Use your smartphone or a mobile computer (tablet or laptop) to test the strength of your WLAN signal right next to your HovalConnect gateway. If you have poor reception or none at all on the other device either (no bars or just one bar of WLAN signal strength), your WLAN signal is probably too weak to establish a stable connection. In this case, you should connect the gateway via a network cable or try using a repeater. Contact your network engineer (electrician) for assistance.

Problems with the HovalConnect gateway:
If you have already carefully checked the possible sources of error mentioned above, please restart the HovalConnect gateway. Do this by switching the gateway off and disconnecting the plug for approximately 30 seconds, before plugging it back in and switching the gateway on again. If this does not help either, please contact the HovalConnect service team at

I am having problems with the HovalConnect app.

Are you having problems with the HovalConnect app on your smartphone or tablet?

Your smartphone’s operating system 
Please start by checking your smartphone’s operating system. The HovalConnect app runs on the Android and Apple iOS operating system versions that are supported by the manufacturers. Unfortunately, you cannot use HovalConnect on smartphones with older operating system versions. If you do not have an up-to-date operating system, you can use HovalConnect via a browser. In this case, you will receive your plant messages via e-mail rather than push notifications.  

Reinstalling the app 
If your operating system is not the problem, it may help to uninstall the app and download it again from whichever app store you use (Google Play or the Apple App Store). See your smartphone’s user guide for information on how to uninstall an app, or go direct to Google (Android) or Apple: 

If reinstalling does not solve the problem, please contact the HovalConnect service team at

I am having problems entering the Plant Key.

Are you having problems entering your Plant Key or are you unable to find it? What is the Plant Key?

Click to read more 

The dashboard and weather data are not being displayed.

Are the dashboard and/or weather data not being displayed after you have logged in? This is usually because your browser is not downloading this data again. Clearing your browser data (buffer/cache) will help. Once you have done this, the pages will display correctly again.

Clearing browser data:

  1. This keyboard shortcut works for most browsers: CTRL+ALT+Delete
    If this keyboard shortcut does not work for your browser, please consult your computer’s operating manual or search for “Clear browser cache” in your computer’s Help function.
  2. Then fully close and reopen the browser.
  3. Log in to HovalConnect.

If you are still having problems with the dashboard, please contact the HovalConnect service team at

Why doesn’t the HovalConnect app work on my tablet?

The app only runs on smartphones for now. However, you can still use HovalConnect on a tablet by accessing it in your browser and logging in at:

What do the LED colours on the HovalConnect gateway mean?
What do I need to bear in mind if I’m using a firewall?

To ensure that the Hoval gateway and Hoval digital services continue running smoothly, please enable the ports and IP addresses specified in the HovalConnect firewall settings.

How do I change my HovalConnect password?
How do I restart my gateway?

Please follow the link to the step-by-step guide to restart your gateway.

How do I modify the daily and weekly programs?

Please follow the instructions.

How do I share my Hoval plant with other people?

Here you will find the information on how to share your plant with other users.

Where can I find the serial number of my HovalConnect gateway?

Follow the instructions to display your gateway serial number in the control module.