Toilet Drain Dimensions From Wall

For those who are unfamiliar with what this is a toilet s rough in distance consists of four different dimensions.

Toilet drain dimensions from wall. 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. Measured from center of the toilet to either side minimum clearance is 15 inches to any wall or other fixture. Offset hole from the back wall by 12 1 2 inches discharge hole vertical. When installing a toilet or replacing an old toilet you have to make several measurements including the most important one.

Drain located at floor height. The 12 inch measurement runs from the wall itself to the dead center of the drain. 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. However it s useful to know that toilet s also come in.

The distance between the toilet and the wall. The standard placement for a toilet drain in the bathroom is 12 inches from the wall behind the toilet. 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. Discharge hole from back wall.

18 inches recommended if bathroom layout allows. Distance is zero fixture side to side buffer. 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.