What lengths do toilet supply lines come in?

Typically they are 3/8” in diameter, but toilet supply line size can vary in length, usually anywhere from 9” to 20”.

How do you measure a toilet supply line?


If you're changing the supply line to the fill valve on your toilet you need to make sure you get the right size so on a toilet fill valve it's going to be 7/8. On the top.

What size is the standard toilet water supply line?

The supply line to the toilet is standard 1/2-inch copper or plastic pipe routed from the main water line or a 1/2-inch cold water line. This standard is used throughout the home to supply faucets, showers and any other appliance requiring water, including the washing machine.

How long are bathroom faucet supply lines?

Buy a faucet supply line at least an inch longer than the measurement. This type of supply line comes from the manufacturer in standard lengths: typically 12, 16, 20 and 30 inches. Supply line extensions come with one 3/8-inch female and male end.

How are supply lines measured?

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Just take a tape measure. From. From one side to the to the other. And you're going to see it's about to want to just shy of that two and a quarter inches.

How do you replace a toilet supply line?

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Loosen the nut on the supply valve by turning it. Counterclockwise.

Are all toilet waste pipes the same size?

Modern plumbing systems have waste drain pipes in either 3 inches or 4 inches in diameter. The bigger the pipe, the less likely it will be to be a problem. The waste of a 3-inch pipe can be carried by a 4-inch pipe.

What size is a toilet flange?

The most common and readily available toilet flange is the 4 x 3-inch size. This pipe is 4 inches wide at the top but only 3 inches wide at the bottom. The 3-inch bottom is the correct size for fitting the schedule 40 pipe most frequently used in home drains.

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Can a toilet drain into 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.

How do I know what size pipe I have?

All you need to do is wrap a string or a flexible tape measure around the outside of the pipe. Now, take this measurement and divide it by pi (pi = 3.1415). This calculation is the plumbing pipe’s Outside Diameter that you can use to look up the Nominal Size.

How do I know what size water supply line I need?

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Home can provide nine gallons per minute to your home while a one and a quarter inch line will provide 16 gallons per minute that's a fifty six percent difference.

How do you tell what size PEX you have?

PEX tubing sizes are denoted by CTS (copper tubing size), not OD (Outside Diameter) or ID (Inside Diameter). OD of PEX, copper and CPVC pipe with the same size (CTS) is the same. This is why push fittings can be used with all of these pipes.

What lengths does PEX come in?

PEX is available in a variety of lengths, from short 10-foot pieces (for small repairs) to rolls over 500 feet long, which are used to install a home’s entire water supply system. PEX pipe ranges from 3/8- to 1-inch in diameter and its color-coding makes it a snap to identify what a specific pipe is used for.

What size PEX for a bathroom?

Most homeowners aren’t willing to wait 15 minutes to fill their bathtubs, so running a minimum 1/2-inch line to the tub is a good idea. Other fixtures that benefit from 1/2-inch lines are washing machines and dishwashers. Sinks and showers are water guzzlers, and you can conserve by running 3/8-inch lines to them.

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What is the difference between PEX A and PEX B?

Again, the main distinction lies in the manufacturing method, which is what assigns an A, B or C to PEX. PEX A is made using the Peroxide, or Engel, method. PEX B is formed using Silane, or Moisture Cure, method. This is the most common PEX pipe type out there.

Where should you not use PEX?

PEX can’t be installed in high heat areas.



You can’t install PEX in high heat areas like near recessed lighting. This also means you can’t connect PEX directly to a hot water heater, but you can use a connecting material to do this.

Is PEX safe for drinking water?

There are no health risks associated with drinking water from PEX pipes. A few types of PEX-pipe may cause prolonged undesirable taste and odour if the water remains in pipes over time.

Do you need a manifold for PEX?

Do I Have to Use Manifolds with PEX? No. You can install PEX fittings supply just like you would other pipe, with main lines and branches to each fixture. But you lose a lot of the benefits of PEX with this system since it requires so many fittings.

Which is better PEX crimp or clamp?

If you are looking for a fast and more secure connection that will stand the test of time, crimp tools are your better option. But if you want more flexibility without working more, go for PEX clamps.

Is copper or PEX better?

PEX pipe is not only cheaper than copper but more durable too. PEX is immune to corrosion and mineral build-up, and it’s not affected by electrolysis, which can cause small pinhole leaks in copper piping. Copper pipes can last anywhere from six months to the life of a building.

Can I use blue PEX for hot water?

Color-Coded: Red PEX pipes can be used for hot water supply lines, blue PEX for cold water supply, and white for either hot or cold. These colors are just for your convenience. Plumbing code does not require the pipe color to match the type of water supply.

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Does PEX tubing freeze?

PEX pipe will expand if frozen and contract to its original shape when thawed. But putting frequent stress on the system weakens it, increasing chances of failure and leaks. So, to preserve the strength of your pipes, you should use the same standard insulation precautions with PEX to keep it from freezing.

Do mice eat PEX plumbing?

Mice and rats will chew through anything they can, including plastic, so PEX tubing is at just as much risk as the plastic-coated wiring in a car or an HVAC unit. While all rodent damage can be expensive, if rodents chew through a home’s PEX water pipes, the result can be disastrous.

Can PEX be buried?

PEX tubing is approved for direct burial outdoors, a practice most often necessary when running a water supply line to a house. PEX, since it can expand, resists freezing more effectively than rigid pipe, but PEX can still burst if water freezes in a line.

Which is better PEX or PVC?

When a connection to copper or other metal pipes is required, PEX works better than PVC because crosslinked polyethylene won’t corrode. – Price. When you compare the material costs of PEX vs PVC, PEX comes out more expensive. (However, balance this factor against the lower labor cost to install PEX.)

Which is better PEX A or B?

Bottom line, PEX A is more resistant to burst pressure than PEX B. PEX A’s expansive material can handle up to 500 PSI, which makes it reliable in extremely cold temperatures. Since PEX B is a more rigid material, it will not hold up as well in similar situations.