Toilet Drain Size

Ideally 8 1 4 inches above the floor.

Toilet drain size.

Local codes may call for a 4 inch main drain and some plumbers prefer to run larger vent pipes. Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. 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. The drain line leading from the closet bend to the drain stack is 4 inches in diameter. 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. Most homes use a 4 inch drain pipe only high rises supporting more than 5oo appliances use a larger pipe size.

Check toilet to confirm location water supply connection. There are however other rough in sizes. Toilet rough in details. Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal.

This is a standard size pipe for toilet drains in most homes and all main drain stacks usually consist of 4 inch diameter pipe. Main toilet drain or stack 4 inch pvc or iron pipe. 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. Some homes may use a 3 inch stack.

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. A toilet is considered as six units because of how much water it discharges at once. 10 and 14 are also possible and you ll have a smaller selection of toilets that fit those sizes.

The number of units on one drain pipe helps to calculate the size of pipe needed.