FAQs
However, you can also move the toilet to a certain extent without having to change the waste line and stack. If your waste line has a diameter of 3 inches, you can place the toilet within six feet of your stack. The toilet can also be as far as 10 feet from your stack, if the diameter of the waste line is 4 inches.
How far can a toilet be from the main drain? ›
In general, the maximum distance of the toilet from the main drain should not exceed 4 meters, with a 2% minimum slope. Within these limits, the plumbing system can guarantee an effective draining, avoiding bad smells and the problem of emptying the siphons.
How far should toilet waste pipe be from wall? ›
In order to get started, you'll need a tape measure. The water closet flange's centre should be 12 inches from the back wall. When taking this measurement, make sure you're measuring from the finished wall and not the base moulding. Be sure to take into account how thick your back wall is, as well.
What is the maximum distance between toilet and vent? ›
According to the UPC, the distance between your trap and the vent should be no more than 6 feet. In other words, for the vent to work properly, it needs to feed into the drain line within 6 feet of the trapways that connect to it.
Can a toilet stack be moved? ›
Yes, this can also become messy, difficult, and costly. But it can be done. Because of all the work involved, we recommend hiring a professional if you wish to move a toilet on a second floor or one located above a basem*nt.
Can you relocate a toilet? ›
If you decide that it makes sense to move your toilet, you can certainly do so. You will need both an experienced plumber and a bathroom design professional. The main issues with moving the toilet involve plumbing problems like changes to the drainage, venting, and water supply.
Can a shower and toilet share the same drain? ›
Yes, It's Possible! In some plumbing setups, especially in older buildings or homes with limited space, a combined drain system might already exist. If the toilet and shower share the same drain, it's usually because of a “wet vent” arrangement.
How far can a toilet drain drop vertically? ›
Vertical drops shall be 4 feet (1219 mm) maximum length. Fixture drains that are not increased in size, or have a vertical drop exceeding 4 feet (1219 mm) shall be individually vented.
How close to a main drain can you build? ›
Every public drain has an easem*nt which is a protected area either side of the drain. Usually 5m for a pipe over 300mm diameter or 3m for a smaller pipe. You therefore need to apply to the water authority to build within the easem*nt.
How far does a toilet need to be from a shower? ›
Clearance: At least 24" of space is needed in front of a shower or tub entry. Leave at least 15" of space between the shower and toilet or other obstacle. If you have a swinging door, take into consideration nearby fixtures.
Regular toilets require access to the main plumbing system and a lot of space. An upflush toilet only requires minimal space for installation and can be installed almost anywhere.
How far does a toilet need to be from a vanity? ›
30" clear across so 15" from center of the flange to either side is the minimum. There is a little wiggle room like 1/2-1" less on one side if the other side is completely open and you have to consider the size of the occupants. The Code does not give “wiggle room”.
What is code for distance around a toilet? ›
Toilets and sinks should have at least 21 inches (more in some jurisdictions) clearance in front. Showers and tubs are dangerous slip-and-fall hazard areas, so the minimum clearances are especially important.
Does a toilet need a vent stack? ›
Every plumbing fixture needs to have a vent to work properly. Bath tubs, toilets, washing machines and kitchen sinks need the biggest plumbing vents.
What are the rules for toilet venting? ›
In general, the vent should be as close as possible to the fixtures it serves. This proximity helps ensure the vent can effectively equalize air pressure and prevent sewer gas entry. However, there are some common guidelines to consider: The vent should be within 5 to 6 feet of the fixture drain it serves.
Can you put a toilet anywhere in your house? ›
Yes, you can add a bathroom anywhere in your house. You can create a bathroom under the stairs, turn a bedroom into a bathroom, or anywhere else you have some spare space. If you are unsure, check with your local council before you start any work.
How far can a toilet be from the back wall? ›
That means there is 12-inches between the center of the toilet flange to the finished back wall. This information can be found on the toilet's specification sheet. 12 inches is the most common toilet rough-in size.
How long can a soil pipe be? ›
A maximum of 8 WC's may be connected to an unventilated soil branch. The length is limited to 15m max.