Do you need a p-trap on a toilet drain?
All plumbing fixtures need to have a trap. Inside a p-trap is 2-4 inches of standing water. This standing water is called the trap seal. But never install a p-trap for a toilet!
How many inches from the wall should a toilet drain be?
12-inch
The rough-in distance in the newer homes from the wall to the center of the toilet drain is 12-inch, while, older homes have a distance of anything between 10- or 14 inches. A wall-mounted toilet also needs a 10 inch thick wall to accommodate the flushing system.
What are the dimensions for roughing in a toilet?
12 inches
Toilet Rough In Dimensions: A toilet’s rough-in measurement is the space between the wall behind the toilet and the center of the waste pipe. Standard toilet rough in dimensions are 12 inches but can be anywhere from 10 to 14 inches in some cases.
Can you replace a 10-inch rough-in toilet with a 12-inch rough-in toilet?
The rough-in for your bathroom plumbing should match the rough-in for the toilet. Even if a toilet is designed for a 10-inch rough-in, you can still install it in a space with a 12-inch rough-in.
Do toilets have a built in trap?
Toilets have their own built-in traps, and so do floor drains. The trap on a floor drain is located below the surface of the floor; the photo below shows a floor drain as seen from the side. If a floor drain doesn’t have water flowing to it on a regular basis, the water in the trap will dry out.
How far can a toilet be from the main drain?
If the toilet is less than six feet from the stack, tie the waste line from the new toilet directly into the stack. The toilet can be as far as 10 feet from the stack if the waste line is 4 inches.
Can you replace a 12-inch rough in toilet with a 10-inch rough in toilet?
A toilet with a 12-inch rough-in will definitely not fit into a space with a 10-inch rough-in, but a toilet with a 10-inch rough-in actually has extra space in a 12-inch rough-in space.
Can you replace a 10-inch rough in toilet with a 12-inch?
Can you replace a 14-inch rough-in toilet with a 12-inch rough-in toilet?
Replace a 14-inch rough-in toilet with a 12-inch rough-in toilet. You can definitely replace a toilet with a rough-in of 14 inches with one with a rough of 12 inches. The problem with this method is that a 2-inch gap will be left between the toilet tank and the wall. Install an offset toilet flange.