Can two toilets share the same drain hole?

Most houses have more than one toilet, and if they are on the same side of the house, their waste lines can usually tie into the same stack. If they are on opposite sides, however, each may need its own stack.

How do I add a drain to an existing plumbing?






Quote from Youtube video: So what the saddle tee does is it goes onto your old plumbing drain pipes. So you set it on there like that and we're going to cut a hole out of our old pipe. So we'll use our permanent marker.

How do you run a water line to a new bathroom?

Quote from the video:
Quote from Youtube video: Using those special PEX fittings they're so easy to do you just cut the copper. And those fittings just push right on there's no soldering there's no threading anything it's just you just push and go.

Can a shower and toilet share a drain?

The general answer is that the showers and toilets can use the same drain, but they should not be sharing the same waste trap arm. There are other factors to consider as well, such as whether your drains lead to the main sewer line, or if there are septic tanks that are used in your city or town.

Can a toilet and washing machine share the same drain?

Some buildings have multiple waste lines that are connected to different appliances. However, if you’ve already taken note of the fact that your toilet gurgles whenever the washer drains, they’re definitely using the same system. That means that they also share the same vent stack.

Does shower water and toilet water go to the same place?





The shower and toilet are connected to the sanitary sewer system. The wastewater from both can be treated at the same facility. Gray water is waste water that doesn’t contain anything.

Can sink and shower use same drain?

1:Can multiple bathroom sinks, baths, showers ect share a common drain pipe ? Yes they can and do all the time.

Can a washer and sink share a drain?

If you’re joining a washing machine and kitchen sink on the same drain, you may be able to vent them both with a single vent if they are close enough together. If not, you can connect their separate vents before they tie into the main vent stack.

Can I plumb my own bathroom?

Installing a new bathroom with a toilet, sink, and tub is a challenging do-it-yourself project. You’ll need a thorough understanding of plumbing systems and techniques. Developing a sound plan and working with a good assistant will help ensure you get everything right.

Do toilets and sinks use the same drain?



The toilet has the largest drainpipe, so the sink drain, which is smaller in diameter, will empty into the toilet drain line.

Are tub and toilet drains connected?

All the sinks, toilets, and tubs connect to a single drain pipe that leads to the sewer line under your house.

How far can a toilet drain drop straight down?

For a standard 4-inch drain line, which is the typical size for a toilet drainpipe, the minimal drop is 1/4 inch per linear foot. That means that the pipe should drop an entire inch every 4 feet.

What happens if a toilet is not vented?



Poorly-vented drain lines will not be able to effectively move wastewater and solid waste out of your building. This could lead to problems such as overflowing drains, backed-up toilets, and similar plumbing issues.

Does every toilet need a vent pipe?

“Does a toilet need a vent?” And the answer is yes, your toilet has to have a vent. For more information on the great importance of plumbing vents, read our plumbing vent article here. And the size of this vent pipe depends on your local plumbing code.

Does a toilet drain need to be sloped?

The plumbing code requires drain pipe to be sloped at a minimum of 1/2 inch per foot and a maximum of three inches per foot or vertical. A slope of less than a quarter-inch per foot will cause a lot of drain clogs and a slope of more than three inches will allow the water to drain.

What fall is required for toilet waste?

The most important bit of obvious advice ever: soil and waste pipes need to be on a downhill gradient! The “fall” or “drop” should be between 1/40 (1cm down for every 40cm across) and 1/110.

Can you install a toilet below sewer line?



To get the waste out from below the sewer line, you need a macerator installed behind the toilet to chew up the waste and pump it up to the house’s drain. To make that work, you also need an electrical outlet close by to power the macerator. This is more than just straight plumbing.

Can a toilet drain have a 90?

All change-of-direction fittings buried under a slab should never have any 90-degree fittings. If you need to change direction under concrete or other buried piping conditions say in a sewer line, you use two 45-degree fittings. It’s a best practice to separate the 45-degree fittings by at least 6 inches, if possible.

How many toilets can be on a 3 inch drain?

Quote from the video:
Quote from Youtube video: And two toilets. You can always add a third one. And if you have one bathroom in your house with a three inch line you can always add two more now what exactly is a three inch drain.

How many toilets can be on a 4 inch drain?

3 tank-type toilets, one urinal, 4 sinks. a drinking fountain. 2 Floor drains.