Siemens extraKlasse Promotion. The Euronics Exclusive Siemens extraKlasse Free Installation Promotion will run from 30.11.18 – 29.03.19 inclusive and is exclusive to Euronics Agents. Consumers can claim free installation and disposal when purchasing one of the products shown below. If you buy online a member of our team will call you to arrange the delivery and disposal, or we will...