is the world’s leading manufacturer of plastic piping systems made of polypropylene for plant construction and building services. Areas of application include drinking water applications, heating system construction, fire protection sprinkler systems, air conditioning and refrigeration technology as well as surface heating and cooling systems. The range comprises more than 17,000 articles in six product lines.

In order to guarantee the worldwide availability of the products and to offer local service, aquatherm works closely together with long-term partners in more than 70 countries around the globe. The company employs about 600 people in Germany, Italy, England, USA and Canada. Production takes place exclusively at the German sites in Attendorn (headquarters), Radeberg and Ennest. Therefore, customers all over the world can rely on innovative and safe PP-R piping systems of the highest quality “100% Made in Germany”. Today, the family business is managed in the second generation by the brothers Christof, Dirk and Maik Rosenberg.

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The current heating circuit manifolds as well as the associated through ball valve are replaced by a new variant of the dimension 1 1/4″ with flow meters of 0-6 l/min. The manifolds 1″ are no longer available.

40 years 1st piping system

40 years ago Gerhard Rosenberg revolutionised the piping market and at the same time laid the foundation for the entrepreneurial success of aquatherm: In 1981 he developed the world’s first weldable piping system made of the plastic polypropylene and made “fusiotherm” a great success in a short time. In his own words, Gerhard Rosenberg tells of the not so always easy path to the new system: