Steam boilers VAILLANT ECOTEC PRO VC BE 256/5-3 H - avec kit d'installation - Clicpublic.be, online auctions in 1 click.
Steam boilers VAILLANT ECOTEC PRO VC BE 256/5-3 H - avec kit d'installation - Clicpublic.be, online auctions in 1 click.
Steam boilers VAILLANT ECOTEC PRO VC BE 256/5-3 H - avec kit d'installation - Clicpublic.be, online auctions in 1 click.
![Any idea how this works? Just moved to a new appartment and I can't turn on the heating system. : r/belgium Any idea how this works? Just moved to a new appartment and I can't turn on the heating system. : r/belgium](https://i.redd.it/gmet9c8d9ro91.jpg)