Standard Toilet Plumbing Size

There are generally accepted plumbing rough in measurements for sinks toilets and tub showers.

Standard toilet plumbing size.

This information can be found on the toilet s specification sheet. In most homes pvc drain pipe is used instead of metal pipe. Always check the standard dimensions against the manufacturer s specs to make sure they will work for your installation. I d say 80 of toilets have a 12 rough in so don t be surprised if you do as well.

More on venting a toilet here. It s important to know that this measurement is for standard toilets with a 12 rough in. In the ipc toilet vents are 1 5 in the upc it s 2 inches. In addition fixture manufacturers typically provide rough in specifications in their product literature.

The wider the pipe the more waste it can move and the. Waste drain pipes for toilets in modern plumbing systems are either 3 inches or 4 inches in diameter. Standard toilet rough in common rough in sizes the standard toilet rough in is 12. What size are toilet waste drains.

There are however other rough in sizes. 12 inches is the most common toilet rough in size. What is the standard plumbing hole for a toilet. Standard pipe size info chart.

Flush bushings kind of look like hockey pucks. 10 and 14 are also possible and you ll have a smaller selection of toilets that fit those sizes. Standard toilet dimensions are typically between 28 30 deep roughly 20 wide between 27 32 high and have a rough in between 10 14. The standard size for a toilet drain pipe is 3 inches in diameter but drains up to 4 inches in diameter are often used.

The outside diameter o d shown is for standard ips schedule 40 pipe pvc stainless brass steel etc. Now you can find the perfect toilet. N ot for cpvc pex pb or copper pipe. Not every toilet requires the same size hole and clearances also vary but there is a standard size and placement that works for most models.

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.