Is 3 inch pipe OK for toilet?

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 less likely it will be to clog.
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Should I use a 3-inch or 4-inch toilet flange?

The 3-inch bottom is the correct size for fitting the schedule 40 pipe most frequently used in home drains. The 4 inches at the top of the flange give you a little extra wiggle room, reducing the chances that water will seep through the wax ring when flushing the toilet.
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What size pipe should be used for a toilet?

The standard size for a toilet drain pipe is 3 inches in diameter, but drains up to 4 inches in diameter are sometimes used. Typically, 3-inch pipes carry the water to the toilet, but a 4-inch pipe may be used to move wastewater out of a house to a sewer or septic tank.
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What is 3-inch pipe used for?

A three-inch pipe is what's used in homes to pipe toilets. The four-inch pipe is used as the building drain under floors or in crawlspaces to transport all the wastewater from a home out to the septic tank or sewer.
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What type of pipe is used for toilet drain?

PVC Pipes

PVC piping is generally used as part of a sink, toilet, or shower drain line, though it's sometimes used as a home's main water supply pipe.
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Handy 4" by 3" insertable floor flange -for concrete floors.and regular installs.How to.



What size should sewer pipe be?

Modern sewer pipe is made of PVC and is joined either with gasketed fittings or with solvent glue. Standard pipe size for residential lines is 4 inches. The local code specifies the required pipe material and size.
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How many fixture units can a 3-inch pipe handle?

A 3-inch (76 mm) soil stack with a stack vent serving as the required vent extension to the outdoors, connecting to a 3-inch (76 mm) building drain, must have at least a 1½-inch (38 mm) stack vent [maximum of 102 fixture units served and a maximum 25-foot (7620 mm) developed length] in accordance with Section 906.1 and ...
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Which pipe is best for toilet?

PVC is a great option for:

Sink, toilet, and bathtub drain lines. Vent stacks. Main water supply line.
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Can you put a 3 inch flange in a 4 inch pipe?

Bought a standard 3inch and 4inch flange, both do not fit. 3 inch fits in loose, 4 inch sits right on top of the opening.
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How long can a toilet waste pipe be?

IIRC it is permissible (but inadvisable) to go as low as 18mm per metre, the maximum is 90mm per metre. As long as the pipe have at least 15% downhill slop from Toilet to main waste pipe it would be ok. Any distance up to 3m do not require extra joining points as standard 4inch waste pipe is 3m long.
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Can a shower and toilet share a vent?

Wet vents are typically used when plumbing a bathroom group. So yes the shower can also be vented by the wet vent along with the toilet. There is one major stipulation when wet venting multiple fixtures when a toilet is one of them: the toilet must be the last fixture connected to the wet vent.
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How many toilets can be on a 4 inch drain?

3 tank-type toilets, one urinal, 4 sinks. a drinking fountain. 2 Floor drains.
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Can two toilets share the same drain?

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.
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Does every drain need a vent?

Without getting too far into building science, a general plumbing rule of thumb is that every drain needs a trap, and every trap needs a vent. All those traps and drains are designed to prevent sewer gas from entering your home.
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How far can a toilet be from a vent stack?

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.
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What size is bathroom drain pipe?

The standard size for a bathroom sink drain pipe is 1.25 inches in diameter. However, this is determined based on your state's housing code, and you may find that they suggest 1.5 inches or 1.65 inches in diameter, and your home has been built with this plumbing standard.
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Which pipe is best for sewer line?

PVC. The leading choice in residential drain lines over the past four decades, PVC is a light-colored, highly durable plastic that resists the elements and appears to outlast all other piping materials. PVC is made in several different grades: schedules 40 and 80 and chlorinated polyvinyl chloride (CPVC).
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What is the standard size pipe for plumbing?

The most common pipe diameter for water mains is 6 to 16 inches, with 8, 10, and 12 inches also being used. Branch lines providing service to individual homes, offices, buildings, and businesses vary in size from as small as half an inch in diameter up to 6 inches.
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What size is residential water line?

In most cases, the main pipeline from the street to your home is either 3/4 or 1 inch in diameter, supply branches use 3/4-inch-diameter pipe, and pipes for individual components are 1/2 inch.
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Is the toilet flange supposed to be flush with the floor?

For those that don't already know, the proper toilet flange height is when it's flush with the top of the finished floor. The optimum height is about ¼ inch. It's easier to get your flange flush with the floor if you lay your flooring before you install the flange.
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Does toilet flange go inside pipe?

This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it's plastic. The flange should be sitting with the bottom edge flush with the top of the floor.
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