State 25.05.2018

ystral gmbh places a very high value on protecting your personal data. At our company, observance of and adherence to legal requirements for data privacy and data security are a matter of course. All of your personal information, such as your title, first name, last name, address, phone number, fax, e-mail address, IP address, etc. is treated as personal data. We would like to inform you about when we collect which pieces of personal data from you, and how we use that data.
We have developed technical and organisational measures to ensure that both we and our service providers comply with data privacy regulations. Your data is protected under the legal requirements of the Federal Data Protection Act.
We collect, save, and use your personal data to grant you access to specific information and to communicate with you. The following sections provide information on which data is collected when you visit our home page, and how this data is used.
If you have any questions or concerns related to data privacy, please send an e-mail to the external ystral gmbh data privacy officer at, or send a message by post to the Data privacy officer ystral gmbh, maschinenbau + processtechnik, Wettelbrunner Str. 7, 78282 Ballrechten-Dottingen.

When you transmit your personal data to us, you declare your consent for us to collect, process, and use your data in accordance with this data privacy declaration. We do so in the following ways:

Every time you access our home page or call up a file saved on the home page, we log this access. This information is saved for internal systematic processes. So-called traffic data is logged for 10 days: Your IP address, the URL visited, name of file accessed, date and time file was accessed, data quantity transmitted. Data is only used for a general assessment, and no user profiles are created.
For security reasons, our provider also logs IP addressed for 12 weeks. We only access this log in case of security violations in order to pursue criminal charges. No personal user profiles are created!

If you have any inquiries regarding our company, products, and services, you may contact us via e-mail at
Clicking on this link will activate your own e-mail programor our contact form.
When you use this email link, you will launch your own email program. We will receive only your e-mail address, in addition to your message to us. Please note that the e-mail is not encrypted, and you should not provide any confidential data or information in this manner.

If you contact us using our contact form, we collect specific personal data from you to process your request and, for example, to send any documents you have requested. Mandatory fields that enable us to effectively respond to your request using the minimum amount of data are: title, name, email address and the actual message. All other information, i.e. your company, address details, country and telephone number are submitted on a voluntary basis and are excess to requirement. You must also answer the arithmetic question for spam protection before you send the email, as we must ensure that we are not dealing with a robot. An unencrypted email to ystral@ will be generated directly from the data you have provided, with no buffering, which you send to us when you submit your email. Please note that the email is unencrypted, so please do not provide us with any confidential data or information in this way.
If you require a protected, encrypted transmission of information or data, please notify us via email, in the contact form or by phone.
When you submit your personal data to us, you consent to the collection, processing and use of your data in accordance with this Data Privacy Declaration.

These web pages use so-called cookies in many areas. We use cookies to make our website more user-friendly, effective, and secure. Cookies are small text files stored on your computer and saved by your browser. Most of the cookies we use are so-called “session cookies.” They are automatically deleted after the end of your visit. Cookies do not harm your computer, and do not contain any viruses.
The websites use cookies in several places. A cookie is a small data file that a website sends to your browser to store on your hard disk as an identifier to recognise your system. Cookies are often used only to evaluate the use (number of visitors and duration of a visit) and for effectiveness (topics that visitors are most interested in) of a website and to facilitate the navigation or use of such and are not linked to information that would identify you personally. Cookies can also be used to personalise the website experience of regular visitors and a user reference can then be generated by assigning profile information or user settings. This information will gradually provide valuable insights to help us improve the user experience on a website.
Cookies are generally either session cookies or persistent cookies. Session cookies enable the efficient navigation of the site, whereby the cookies log your progress through each web page so you will not be prompted to enter information you have previously entered on the site during the same visit. Session cookies are stored temporarily and are deleted when the web browser is closed. Persistent cookies store user preferences for the current and future visits to the site and are stored on your hard disk and will still be valid when you relaunch the browser. For example, we use persistent cookies to log your language selection and country.
As cookies are required for the basic functions of the website, a functional analysis of website usage to improve performance and enable you to use certain features of our website, you should not generally disable them in your browser settings. If your browser blocks third-party cookies, e.g. “marketing cookies” or “targeting cookies” to display ads and to monitor your progress on the Internet, this will not affect the functionality of our website.

We use so-called web analysis programmes on our websites in order to analyse your use of our web pages. We use Google Analytics for this purpose. The following section provides the information you need to protect your personal rights.

This website uses Google Analytics, a web analysis service of Google Inc. “Google”). Google Analytics uses so-called “cookies,” text files saved on your computer that facilitate an analysis of your use of our website. The information provided by these cookies regarding your use of our website is generally transferred to a Google server in the USA and stored there. If IP anonymization is activated on this website, your IP address will, however, be shortened within the member states of the European Union or in other contracting states in the Agreement on the European Economic Area before this transfer. Only in exceptional cases will your full IP address be transferred to a Google server in the USA, where it will be shortened. Google will use this information to evaluate your site usage, create reports regarding website activity, and complete additional services associated with your internet use for the website operator. The IP addresses transferred by your browser as part of Google Analytics are not associated with other data from Google. You can prohibit the storage of cookies by changing the settings in your browser software accordingly; we would, however, like to inform you that in this case you will not be able to use the full extent of all functions on our website. You can also prohibit the collection of the data created by cookies and related to your use of the website (incl. your IP address) by Google and Google’s processing of this data by downloading and installing the browser plug-in available at the following link: (
You can prevent Google Analytics from collecting data by clicking on the following link. This saves an opt-out cookie that prevents your data from being in collected in the future when you visit this website:
More information on usage conditions and data privacy is available at and at
We would like to note that the code “gat._anonymizeIp();” was added to Google Analytics on this website in order to allow anonymized collection of IP addresses (so-called IP masking).

We do not use automated processing that results in an automated decision-making/profiling with respect to your person. This website uses Inspectlet, a web analysis service provided by Inspectlet Inc. This service uses cookies and other tracking technologies to collect and store data on the activities of visitors to this website. Usage profiles are created from this data, and these profiles allow Viessmann to analyze visitor behavior and improve our website.

You can disable Optimizely tracking at any time by following the instructions at:

For more information, please refer to the Inspectlet Terms of Service and Privacy Policy.

This website uses Google Maps from Google Inc. to display maps. When you use this site, you consent to the collection, processing and use of data obtained through an automated collection by Google Inc., its agents and third parties. The Google Maps Terms of Use are contained in the Terms of Use for Google Maps
If you do not wish your data to be processed, you can disable it via the Ads Settings manager:

We do not use automated processing that results in an automated decision-making/profiling with respect to your person.

If you have provided us with personal data, we only use this data to answer your inquiries, for technical administration, and for marketing if you have given us permission to do so. We only transmit your personal data to third parties or in any other manner if necessary to carry out a contract or process an invoice, if we are legally obligated to do so, or if you have given us your consent to do so in advance.
You have the right to revoke your permission with future effect at any time.
Your saved personal data will be deleted when you revoke your consent to save such data, if it is no longer necessary for the data to be saved to fulfil the purpose for which it was saved, i.e. if the process is complete, and if no legal deletion deadlines apply, or if saving such data is not permitted for other legal reasons. If the data cannot be deleted, it will be blocked against further processing until the legal deletion deadlines have expired.

On 12 May 1998 – docket number: 312 O 85/98 – the District Court of Hamburg resolved that a company / a person that links to a third party website accepts responsibility for its content, unless the company / person clearly distances themselves from this linked content. For this reason, ystral gmbh hereby expressly distances itself from the content of all linked websites. Ystral has no influence over the content of linked pages, and therefore accepts no liability for content being up to date, correct, complete, of god quality, or for the future design of the content. Only the operators of linked websites are responsible for their content.
Please also note the data privacy declarations of the third parties to whose pages we have linked. This data privacy declaration applies only to the ystral gmbh website.

You have the right to learn what personal data on you is saved by our company (informational right) and to correct incorrect data or to have data deleted / blocked. Upon written request, we will be happy to inform you about the data we have saved about you. However, please understand that we must first ensure that you are authorised to do so as an affected party, in order to protect your personal data.

You can contact your respective competent supervisory authority for data protection, if you believe that the processing of your personal data is contrary to the provisions of the General Data Protection Regulation. This is as follows for Baden-Württemberg:
The State Commissioner for Data Protection and Freedom of Information
Street address: Königstrasse 10 a, 70173 Stuttgart
Postal address: postcode 10 29 32, 70025 Stuttgart
Tel.: 0711/615541-0, Fax: 0711/615541-15 
Email: poststelle@

We use technical and organisational methods to save your data such that it is not accessible to third parties. If you communicate with us via unencrypted e-mail, we are not able to guarantee complete data security. We recommend that you contact us via post with any confidential information.

The responsible office under the Federal Data Protection Act is ystral gmbh, maschinenbau + processtechnik, Wettelbrunner Str. 7, 79282 Ballrechten-Dottingen, Germany, Managing Directors Peter and David Manke.