| Sales office | Contact |
|---|---|
| Austria | http://www.vaillant.at/ |
| Belgium | http://www.vaillant.be/ |
| Bosnia & Herceg. | http://www.vaillant.ba/ |
| Croatia | http://www.vaillant.hr/ |
| Czech Republic | http://www.vaillant.cz/ |
| Denmark | http://www.vaillant.dk/ |
| France | http://www.vaillant.fr/ |
| Germany | http://www.vaillant.de/ |
| Hungary | http://www.vaillant.hu/ |
| Italy | http://www.vaillant.it/ |
| Netherland | http://www.vaillant.nl/ |
| Norway | http://www.vaillant.no/ |
| Poland | http://www.vaillant.pl/ |
| Romania | http://www.vaillant.com.ro/ |
| Serbia | http://www.vaillant.rs/ |
| Slovakia | http://www.vaillant.sk/ |
| Slovenia | http://www.vaillant.si/ |
| Spain | http://www.vaillant.es/ |
| Sweden | http://www.vaillant.se/ |
| Switzerland | http://www.vaillant.ch/ |
| Turkey | http://www.vaillant.com.tr/ |
| Ukraine | http://www.vaillant.ua/ |
| United Kingdom | http://www.vaillant.co.uk/ |