Toilet Drain Size

This is the home s main drain line the drain pipe connects to this pipe.

Toilet drain size.

10 and 14 are also possible and you ll have a smaller selection of toilets that fit those sizes. The drain line leading from the closet bend to the drain stack is 4 inches in diameter. Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. Slope this pipe at 1 8 inch per foot grade to the main drain stack.

Toilet fitting sizes flush valve drain hole sizing in most cases for 2 inch toilets this will result in a drain hole size in the range of 2 3 8 to 2 3 4 and so the flange and gasket combinations on our 2 dual flush valves will fit and seal this size range effectively. Check toilet to confirm location water supply connection. Some homes may use a 3 inch stack. However some homes may have a smaller drain pipe diameter.

I d say 80 of toilets have a 12 rough in so don t be surprised if you do as well. What size are toilet waste drains. Main toilet drain or stack 4 inch pvc or iron pipe. Toilet rough in details.

The wider the pipe the more waste it can move and the. Ideally 8 1 4 inches above the floor. Waste drain pipes for toilets in modern plumbing systems are either 3 inches or 4 inches in diameter. The number of units on one drain pipe helps to calculate the size of pipe needed.

Local codes may call for a 4 inch main drain and some plumbers prefer to run larger vent pipes. A toilet is considered as six units because of how much water it discharges at once. There are however other rough in sizes. This is a standard size pipe for toilet drains in most homes and all main drain stacks usually consist of 4 inch diameter pipe.

Most homes use a 4 inch drain pipe only high rises supporting more than 5oo appliances use a larger pipe size.