DGC6800XL is the Non-plumbed-in version. It does not require to be plumbed-in. It has two removal tanks for fresh clean water and waste water. The DGC6800XL combination steam oven can Miele DGC6805XL Combi Steam + Conventional Oven| M-Touch| Built-in Plumbed-in| CleanSteel - 1yr Warranty.
