Toilet Drain Size

Main toilet drain or stack 4 inch pvc or iron pipe.

Toilet drain size.

A toilet is considered as six units because of how much water it discharges at once. There are however other rough in sizes. Some homes may use a 3 inch stack. Ideally 8 1 4 inches above the floor.

Slope this pipe at 1 8 inch per foot grade to the main drain stack. Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal. Toilet rough in details. 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.

Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. Standard toilet rough in common rough in sizes the standard toilet rough in is 12. The drain line leading from the closet bend to the drain stack is 4 inches in diameter. However some homes may have a smaller drain pipe diameter.

10 and 14 are also possible and you ll have a smaller selection of toilets that fit those sizes. This is the home s main drain line the drain pipe connects to this pipe. Local codes may call for a 4 inch main drain and some plumbers prefer to run larger vent pipes. I d say 80 of toilets have a 12 rough in so don t be surprised if you do as well.

These plans call for 3 inch diameter pvc pipe for the main drain and the short length leading from the toilet to the drain and 2 inch pvc for the other drain lines and the vents. What size are toilet waste drains. This is a standard size pipe for toilet drains in most homes and all main drain stacks usually consist of 4 inch diameter pipe. Waste drain pipes for toilets in modern plumbing systems are either 3 inches or 4 inches in diameter.

The wider the pipe the more waste it can move and the.