First-rate: Grünbeck’s central technical service.

The highly professional staff of our technical service department will assist you in all questions relating to your water treatment systems. You may reach us from Monday to Thursday from 7:00 am to 6:00 pm and on Friday from 7:00 am to 4:00 pm.

General availability:


Technical service at headquarters

Phone: +49 9074 - 41 333

Fax: +49 9074 - 41 120



Contact us! Our team will be pleased to answer all your questions regarding technical service, in particular:

  • Technical advice on your products for residential application
  • Complaints and returns
  • Technical support for your pre-engineered systems
  • Acceptance of service orders, requests for spare parts and maintenance contracts for your preengineered systems