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Q: What is the maximum slope of a toilet drain?
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What is the maximum angle i can have on a drain coming from a toilet?

90 degrees


How much slope per foot toilet drain?

All drains slope 1/4 inch per foot, minimum. Too much slope,though, can mean pulling water out of the trap or goose neck on a toilet.


What is the maximum number of drainage fixtures units allowed on a 2'' diameter drain line?

The maximum number of drainage fixture unit on a 2" drain line depends on the slope of the drain line. 21 units are allowed if the slope is 1/4' per foot, and 26 units are allowed if the slope of the line is 1/2" per foot.


How far can the toilet be from the basement drain. The toilet will be installed on the main floor but is there a certain degree angle for the pipe to be from toilet to basement drain?

Maximum distance of the toilet to the drain is 6 metres (20 feet). The angle of drop is set by the branch at 112 1/2o, which equates to about 1/4" of drop per foot.


Do you glue the toilet flange into the toilet drain?

Usually toilet flange is glued down onto plastic drain pipe. There is a toilet flange that can be glued inside of plastic drain pipe also.


Can a toilet drain be reduce to a tub drain?

Yes as long as the drain has a trap and is vented


Can you have too much slope on a toilet drain line?

No. If you think about it, upstairs toilets actually drain through the walls and down under the foundation and footings, so you would have a 100% slope there. You can have too little slope, but never too much, since gravity is actually what drains a toilet. Yes you can. Pipes that run vertical are not a problem because friction is not acting on either the solid or the liquid matter. Where a pipe is sloping steeply the water can run away leaving solid matter behind.


How close to the concrete do I cut a drain pipe to install a toilet?

On a standard toilet in America the drain is 12 inches from the back wall to the center of the drain.


What is wrong if the sink and the bathtub will drain but the toilet wont flush?

The toilet itself is plugged or the pipe from the toilet to the drain is plugged. It may be that the tub and sink have their own drain pipe that may connect to the main away from the toilet drain. Plunge the toilet or sometimes if you fill a 5 gallon bucket with water and pour it into the toilet as fast as it will take it, that will flush out the line. It is a greater amount of water all at once an forces out what the clog is.


Hwy when you flush your upstairs toilet does your downstairs shower drain erupt sewage?

The drain from the toilet to the main drain is plugged and the branch to the shower is not. If the main floor toilet flushes, it is between the two toilets and not between the house and the sewer.


When you have a shower toilet gurgles water backs up what do you do?

Your drain line is plugged somewhere after your shower and toilet line are connected. The reason for the gurgle in your toilet is because air is trapped in the drain and your toilet is the closest place for air to flow to. If you had a vent on your toilet trap arm then it would gurgle in the vent rather in your toilet but your drain is still plugged and needs to be snaked out and maybe your drain line needs to be examined for right grade or broken.


Can you put the toilet drain outside on a down stairs toilet?

By plumbing codes, no.