What is the standard size between the toilet drain reserved hole and the wall?

THE NATIONAL BUILDING STANDARD FOR HOUSES HAS A TOILET PIT DISTANCE OF 300CM.

THE TOILET TOILET INSTALLATION OF THE SEWER IS GENERALLY USED 50MM PVC PIPE, THE SEWER NOZZLE PLUMBER IS GENERALLY CONNECTED TO THE GROUND LEVEL, BUT WHEN DOING WATERPROOFING, MANY WATERPROOFING WILL BE HUGE, CONVENIENT CONSTRUCTION, GENERALLY THE SEWER WILL DO THE FLOOR DRAIN IN ADVANCE WHEN STICKING TO THE FLOOR TILES, THE MUD WILL BE DONE, IF IT IS THE BATHROOM WASHSTAND UNDER THE SAME SIZE, AND THE PIPE IS THE SAME SIZE, LEAVE A 50MM HOLE ON IT.

THE NATIONAL BUILDING STANDARD FOR HOUSES HAS A TOILET PIT DISTANCE OF 300CM.

Toilet pit distance refers to the distance between the center of the toilet sewer pipe and the wall, generally 300mm, 350mm, 400mm, 450mm, 500mm, etc. Choosing the right toilet starts with choosing the right pit spacing.

When choosing a toilet, if you are ready to decorate and paste tiles, you must measure the pit distance after tiling, otherwise there will be a problem that the toilet will be bought back and cannot be installed!

The standard size of the toilet drain reserved hole is, 20cm, 30cm, 40cm, which toilet to choose is the first to choose the appropriate sewer pipe size, the common ones are 30cm and 40cm, which is the distance after the tile is pasted, because the toilet is almost these two distances, it is more convenient to install the toilet or replace the toilet later.

THE NATIONAL BUILDING STANDARD FOR HOUSES HAS A TOILET PIT DISTANCE OF 300CM. The toilet on the market is 280-290CM, and the back must be left 1 cm, the principle of thermal expansion and cold contraction, the above is mostly the distance between the wall and floor tiles, if you build your own house, the distance can be controlled, and the toilet pit on the market has.

1 300 CM is commonly used, 2 is 390 CM is an old house or built by oneself, 3,250 CM is rare, Kohler TOTO has,

DON'T BE LESS THAN 350MM, BUT ALSO PUT ASIDE THE THICKNESS OF THE WALL TILES!

The hole in the toilet is generally 32 cm from the wall (in the hole).