Standard Toilet Drain Size

Distance between finished wall and center of a floor drain or rough in might be 10 12 or 14 depending on toilet type.

Standard toilet drain size.

What size are toilet waste drains. Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. Local codes may call for a 4 inch main drain and some plumbers prefer to run larger vent pipes. The standard rough in dimensions for toilets is 12 inches but a distance of 10 or 14 inches is occasionally found in small bathrooms or older homes.

Standard toilet rough in common rough in sizes the standard toilet rough in is 12. 12 inches is the most common toilet rough in size. However it s useful to know that toilet s also come in. The wider the pipe the more waste it can move and the.

Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal. Always check local plumbing codes before you begin a plumbing project. I d say 80 of toilets have a 12 rough in so don t be surprised if you do as well. Check toilet to confirm location water supply connection.

In most homes pvc drain pipe is used instead of metal pipe. 10 and 14 are also possible and you ll have a smaller selection of toilets that fit those sizes. Ideally 8 1 4 inches above the floor. But most residential floor mount toilets require one foot 305 mm drain placement from the back wall.

There are however other rough in sizes. It s important to know that this measurement is for standard toilets with a 12 rough in. Minimum 15 space should be left between the center of a drain and finished side wall. Standard toilet sewer pipe sizes.

Waste drain pipes for toilets in modern plumbing systems are either 3 inches or 4 inches in diameter. The drain pipe connects to the flange which mounts the toilet itself and this flange is usually built to connect to 3 inch schedule 40 toilet drain pipe. The standard size for a toilet drain pipe is 3 inches in diameter but drains up to 4 inches in diameter are often used. Toilet rough in details.

The most important of these measurements is the distance between the floor drain and the wall called the rough in. This information can be found on the toilet s specification sheet.