The 4×3 size refers to the two diameters in the flange pipe. … The bottom is designed to fit on 3-inch schedule 40 pipe used in most homes as standard sized drain pipe. This is also the size of the closet bend pipe in most cases.

What is a 4 3 closet flange?

The 4×3 size refers to the two diameters in the flange pipe. … The bottom is designed to fit on 3-inch schedule 40 pipe used in most homes as standard sized drain pipe. This is also the size of the closet bend pipe in most cases.

How do I know what type of toilet flange I need?

A 4″ x 3″ toilet flange has a four-inch topside and a three-inch bottom diameter. The bottom of this size flange will fit standard-sized drain pipes. In addition, a 4″ x 3″ toilet flange is the size of most closet bend pipes. If you are not certain about your toilet pipe size, this flange would be appropriate to use.

What is the standard size toilet flange?

The standard flange size is 3 inches in diameter. The standard plumbing hole for a toilet is the flange, the waste pipe that fits through a hole in the floor. Comprised of two parts — a pipe and a ring bolted to the floor — the flange will connect the toilet to the household’s waste line.

Is 3-inch pipe OK for toilet?

In new construction, 4-inch drains can be installed from every toilet, or you can run a 3-inch drain line from a toilet to the home’s main 4-inch drain pipe — the line running from the house to the sewer or septic system. Older homes may have only 3-inch drains, so that’s what you have to work with.

Can a toilet flange be too high?

When your toilet flange is too high, your toilet may leak water and rock back and forth when used. Both the leaking and the rocking can warp or break the floor. A leaking flange can also rot the subfloor and lead to the accumulation of mildew and mold.

How thick is a toilet flange?

If it’s at the same level, or no more than 1/4 inch below it, a regular wax ring, which is between 3/4 and 1 inch thick, is all you need. If the flange is recessed deeper than that, you need an extra-thick wax ring, which is about an inch thicker than a regular one.

How do you measure a toilet closet flange?

From the center of the water closet flange, measure 6″ to the left, then come up 7″ above the finished floor. This is a nice height because it clears most sizes of base molding. A lot of times the water line comes in too low and requires notching the trim.

Does toilet flange sit on top of tile?

5 Answers. The toilet flange needs to be on top of the finished floor. Meaning the bottom edge of the flange needs to be on the same plane as the toilet. So if your toilet sits on the tile, the flange needs to be on top of the tile too.

How high should toilet flange be above finished 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.

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How do you measure toilet clearance?

Measure from the wall behind the toilet to the center of one of the closet bolts (which hold the toilet down). If the toilet has four closet bolts, measure to the center of one of the rear ones. Then measure from the center of the mounting holes to the back of the new toilet you’re considering.

What is an adjustable toilet flange?

Unlike a standard flange, which is centered on the waste pipe, an offset flange is off-center—that lets you shift the location of the toilet by a couple of inches (left, right, forward or back).

How many water closets are needed for a 3 inch drain?

Referring to the International Plumbing Code, a bathroom group requires 5 Drainage Fixture Units. As a horizontal branch 3″ is good for 20 DFU’s or 4 bathroom groups.

How many toilets can be on a 4 inch drain?

4″ waste line can support 90 DFU’s, Toilets can be 3–4 DFU’s depending on how many gallons per flush. So, 22 toilets if they use a lot of water.

Should I use a wax ring with a flange?

The wax ring with a sleeve often called a deep seal bowl wax, is a very reliable seal for a toilet although it can be messy. … If you have a normal height closet flange then you can use the regular wax ring with a sleeve. If your flange is floor level or slightly below then you can use an extra-thick wax ring.

How do I know what size wax ring I need for my toilet?

To determine the correct width for your wax ring, simply turn your toilet bowl on its side, and measure the opening on the bottom of your toilet, called the “elbow neck.” Whatever width this measurement is, use that width wax ring. E.g. if the elbow neck measures 3 inches, use a 3-inch wax ring.

How do you adjust a 4 inch toilet flange?

1. Measure the distance from the top of the toilet flange to the top of the finished tile floor.
2. Purchase a toilet flange extension ring thick enough to raise the toilet mounting surface so that it’s approximately 1/4-inch above the level of the finished tile floor.

Can toilet flange be lower than floor?

In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor or no more than 1/4 inch above or below the floor.

Why is my new toilet rocking back and forth?

One of the most common things that causes a toilet to rock back and forth are loose flange bolts. These are the bolts that hold the toilet down at an even level with the floor in your bathroom. … A toilet does not screw directly into the ground. Instead, it screws into what’s called a toilet flange, or a closet flange.

Does toilet flange go inside or outside pipe?

Install a toilet flange on the outside. This can be done with a hammer and chisel. If the flange is cast iron with a rubber gasket, you should be able to remove the cast iron with a hammer and chisel, remove the rubber gasket with a sharp knife, then replace the gasket and the flange.

Does toilet flange need to be glued?

pvc flange should be glued into a pvc pipe. IT would have been less of a problem if a plumber had made the replacement. Use a “good” flange and you will not have to do it again. Caulk is NOT glue.

Does a toilet flange need to be screwed to the floor?

The flange should be fastened to the floor. Dry fit the toilet to make sure it doesn’t rock. If it does rock, use shims to prevent rocking – just tightening the bolts probably will not stop the rocking but will risk cracking the toilet or breaking the flange.

Should I caulk around the toilet?

Caulk keeps your toilet secure the floor, and avoids any chance of injury or toilet malfunctioning. It’s actually required by the International Plumbing Code to caulk a toilet to the floor, and now knowing the reasoning behind it, why would you not want to?

Can I move a toilet a few inches?

Yes, you can actually move a toilet. Even moving a toilet by a few inches without having to make a new hole in the floor is possible. You can use an offset toilet flange to move the toilet by a couple of inches on any side. This will allow you to use the same wastewater line and in turn help to save you a lot of money.

How do I know if my toilet is a 10 or 12 rough?

If the old toilet is still there, measure from the center of the capped bolts (on the bottom) to the wall (not the baseboard). There should be 24 inches of clearance from the wall facing the bowl and 15 inches on each side as a guideline. If your measurements are between 11.5 and 12.5 inches, it is a 12-inch rough-in.

What is a closet 90?

A closet bend is a 90-degree toilet elbow fitting, but it doesn’t form a sharp angle. Instead, the closet bend has a gradual, sweeping corner that allows waste to flow through the bend without clogging.

How do I fill the gap between my toilet and floor?

Apply a thin, even bead of caulk around the base of the toilet to cover the gap along the floor and hide the shims. If necessary, smooth the caulk with your finger, wiping your finger clean frequently with a paper towel or a rag.

Can you put 2 wax rings on a toilet?

You can certainly install a toilet with multiple wax rings, in fact sometimes it is necessary to make sure you don’t have a leak. … You can buy an extra-thick wax ring, or you can just buy two rings and stack one on top of the other.

What are the toilet heights?

Toilet height is measured from the floor to the top of the seat. Heights vary enough to be noticeable. Most often, they fall somewhere between 15” and 19”, with standard toilets coming in under 17”. However, chair height toilets, what Kohler refers to as Comfort Height® toilets, measure 17” or more.

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.

What is the distance from wall to toilet drain?

The rough-in distance in the newer homes from the wall to the center of the toilet drain is 12-inch, while, older homes have a distance of anything between 10- or 14 inches. A wall-mounted toilet also needs a 10 inch thick wall to accommodate the flushing system.