QA

How To Run Plumbing For A Toilet

Can a shower and toilet share the same drain?

In the US, with modern regulations, in most municipalities, yes, they do. The water and solids from your toilet waste line and the water from your drains end up in the same sewer line, if you have access to a municipal sewer system.

How far can a toilet be from the main stack?

Tie the waste line from the new toilet directly into the stack if the toilet is within six feet of the stack and the waste line is 3 inches in diameter. If the waste line is 4 inches in diameter, the toilet can be as far as 10 feet from the stack.

What plumbing is needed for a toilet?

Regardless of your plumbing code, the minimum drain size for a toilet is 3 inches. Water closet’s flushing 1.6 gallons (or less) are rated at 3 DFUs (drainage fixture units). Some older model toilets, flushing over 1.6 gallons per flush, are rated at 4 DFUs.

Can you replace a 10 inch rough-in toilet with a 12-inch rough-in toilet?

The rough-in for your bathroom plumbing should match the rough-in for the toilet. Even if a toilet is designed for a 10-inch rough-in, you can still install it in a space with a 12-inch rough-in.

How far should a toilet be from the back wall?

The Distance To Set The Toilet Flange From The Back Wall. You’ll want to set the center of the water closet flange 12 inches from the finished back wall.

What happens if you poop in the shower?

Bathroom showers are NOT designed to remove feces from their system and if you continue doing this, you will end up getting BLOCKED PIPES and like you said – it will eventually start to smell. Then you will end up with a blocked pipe system and a PLUMBERS BILL.

What is wet venting?

So what is wet venting? Traditional wet venting is the venting of one or two bathroom groups. A bathroom group includes all the fixtures located within a bathroom, such as a water closet, lavatory, bathtub, shower or bidet. All these fixtures can be vented with a single dry vent.

Does rainwater go to sewer?

What Happens When Rainwater Enters a Foul Sewer? When a house allows rainwater to drain into the public sewer, particularly during a heavy surge that may come with a storm, it will be allowing the water to disturb the treatment taking place in the first tank of the public treatment works.

How close does the vent pipe need to be to the toilet?

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 toilet waste pipe run under floor?

With the location of the soil-pipe that manages toilet waste at the other end of the house, the answer is definitely no, this is definitely not a cost-effective option. They can be mounted on the floor, but usually pipes run below the floor in-between the floor joists.

How far can you run a toilet waste pipe?

The toilet can be as far as 10 feet from the stack if the waste line is 4 inches in diameter. The stack can handle the new toilet if the critical distances are maintained.

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.

Can you hook a toilet to a 2 inch pipe?

Unless two toilets are on the same drain and then it must be a 4-inch plumbing waste pipe, the toilet requires a drain pipe of 3 inches in diameter. Unless there is a toilet discharging into the piping, systems with less than nine units can use a 2-inch pipe.

What size pipe is used for toilet drain?

The standard size of a toilet drain pipe is 3 inches in diameter, but the drain can be up to 4 inches in diameter. The drain pipe is usually connected to a 3-inch schedule 40 toilet drain pipe.

Why would I want an elongated toilet bowl?

Elongated bowls are also considered more ‘hygienic’ in that the larger surface area of the bowl makes is easier for men and children to use with less mess. The longer bowl size is also a requirement for ADA use, and the longer/wider bowl is generally easier to use for those with mobility issues.

What is a comfort height toilet?

Traditional toilets are 15 inches high. Comfort height toilets (or “right height” toilets) have higher seats than traditional toilets, usually between 17 inches and 19 inches. Comfort height toilets are becoming a popular option for many households.

Can you replace a 14 inch rough-in toilet with a 12-inch rough-in toilet?

You can, but the back of the toilet tank will be two inches further away from the wall. The “rough-in” dimension refers to the distance from the wall framing (½-⅝″ behind the finished wall surface) to the center of the sewer pipe on the floor. Standard rough-in is 12 inches.

How far should toilet flange be above finished floor?

Check the Flange Height With the toilet removed, you can see the toilet flange and measure its height above the floor. The optimum flange height to aim for is 1/4 inch above the finished floor. This typically allows for almost any type of wax ring to be used and still ensure a good seal.

How far does a toilet need to be from a shower?

A minimum clearance in front of the toilet of at least 21 inches. This is required for all your bathroom fixtures, including the shower, vanity or sink and bathtub. A minimum distance from the center of the toilet to both side walls of 15 inches.