I realized this is an old thread but I just give a shot. Well, I'm looking for WC with 150mm fitting. I went to this store. They told me that I can get any 250mm WC but I need to gap the WC from wall about 2 inch and then use the bend type connector. I can't grasp the idea. I thought if the toilet hole is 6inch from the wall and if you put the WC gap 2inch more from the wall, it will make the WC outlet go further from the toilet hole is it? Need advice from any expert here.

The point here, is there any way to fit a 10inch WC with a 6inch toilet hole. thanks