How much is the difference between the opening distance of the toilet 3 0 and 4 0 pit distance, and

The pit distance of the toilet bowl in the bathroom refers to the distance from the center of the toilet outlet to the back of the water tank. >>>More

1. The specifications are different.

The walls on the back of the toilet with a 40 pit distance and the toilet sewage pipe with a 30 pit distance are 30cm and 40cm respectively, so the layout of the bathroom will be different. >>>More

It can be changed.

1. Use a shifter. >>>More

You can't do this way, the pit distance is the distance from the center of your outfall to the wall, and you need to dismantle the old toilet.

Of course you can, it's the same situation, the so-called pit is the place where the original pipe is from your wall.