By wdo, 27 February, 2026 Get active in Viessmann's craft garden. Datum Sun, 04/19/2026 - 09:00 - Sun, 04/19/2026 - 17:00 Sprecher Viessmann Modelltechnik GmbH By wdo, 25 February, 2026 Für Profis By wdo, 13 March, 2026 Session Viessmann Bastelgarten
