Discharge hole from back wall.
Toilet drain dimensions from wall.
The back wall distance remains the same 12 1 2 inches from the center of the toilet flange to the framing but the minimum space to the side increases to 18 inches from the toilet centerline to.
When installing a toilet or replacing an old toilet you have to make several measurements including the most important one.
Offset hole from the back wall by 12 1 2 inches discharge hole vertical.
The bathroom drain is very difficult to move so your toilet has to fit on top of this drain with plenty of space behind it for the toilet base and tank.
The distance between the toilet and the wall.
The correct amount of space on both the right and left side of the toilet.
When measuring to place your drain hole first make a mark at 12 inches and then create the outline for the drain hole around this mark.
The standard placement for a toilet drain in the bathroom is 12 inches from the wall behind the toilet.
For those who are unfamiliar with what this is a toilet s rough in distance consists of four different dimensions.
However it s useful to know that toilet s also come in.
The 12 inch measurement runs from the wall itself to the dead center of the drain.
Why is it helpful to know water closets have different rough in sizes if you re simply replacing your toilet and notice the center of your flange is only 10 inches from the wall there s no need to go through the hassle of moving the flange.
18 inches recommended if bathroom layout allows.
Measured from center of the toilet to either side minimum clearance is 15 inches to any wall or other fixture.
Drain located at floor height.