Does PEX a come in red and blue?

Asked By: Slyvia Adabash | Last Updated: 13th February, 2020
Category: home and garden home appliances
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The Colors of PEX Tubing. It is available in red, blue, and white to make classification of water lines easier (red for hot, blue for cold, white for supply lines or single-color systems). The color of PEX does not change any of the tubing's ratings.

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Also, what is the difference between blue and red PEX pipe?

Red PEX pipe carries hot water. Blue PEX pipe carries cold water. White PEX pipe can be used for either hot or cold water.

Also Know, what are the red and blue water lines called? If your pipes are red and blue, what you're seeing is called “PEX tubing,” and it's one of the greatest recent advances in building technology.

Just so, what color is PEX A?

Common PEX tubing colors are "natural" (hazy clear, unpigmented), white, black, red and blue. The red and blue colors are used to help plumbers and homeowners distinguish between hot and cold water supply lines.

What is the difference between PEX pipe colors?

There are no performance differences between red, white, blue and white PEX and all are intended for use in potable water systems. The colors can be used to easily distinguish between hot and cold distribution lines.

39 Related Question Answers Found

Why is PEX banned in California?

Church, executive director of the Plastic Pipe and Fittings Association. Uponor Wirsbo said its PEX pipe was introduced in California in 1990 and that the product helps solve problems in areas with aggressive soil conditions that copper pipe cannot solve.

Why is PEX plumbing bad?

PEX failures
Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation. Furthermore PEX pipe is vulnerable when it comes in contact with such solutions as petroleum products and oxygen. It can leach toxic chemicals from pipe material also.

Can you 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.

What is the best type of PEX to use?


PEX-A, which has the most flexible tubing and best freeze- and kink resistance, is ideal for use with kitchen and bath fixtures. PEX-B is slightly less flexible and less freeze-resistant. Both types of tubing come in three colors—red, white, and blue—in diameters ranging from 1/4-inch to 3 inches.

Is PEX safe for drinking water?

The inner pipe for drinking water is made of a plastic called cross-linked polyethylene (PEX). 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.

Does PEX leach chemicals?

They found that PEX pipes released more odors and leached more chemicals compared to polypropylene. To date, more than 150 contaminants have been found in water that flowed through PEX pipes in these and other studies. In some pipes, researchers have seen significant leaching even after 30 days of use.

How do you know what size PEX to use?

In general, the greater the distance from the manifold to the fixture, the wider the PEX tubing should be. A 3/8-inch line is sufficient for lengths up to 250 feet; 1/2-inch line will deliver adequate water pressure up to 350 feet; and 3/4-inch tubing is necessary to run a 500-foot line.

Can PEX be used for main water line?


You can use PEX for the water line. Sometimes it's good to go up a size since the OD is copper sizing, meaning that the ID is smaller than copper. Or you can also use Poly, which has copper ID size, and a larger OD.

Do I need oxygen barrier PEX?

For potable water applications, you will generally use non-barrier PEX. Oxygen barrier PEX is made for heating applications and has thus not been approved for plumbing and drinking water. Non-barrier PEX Tubing is rarely seen in radiant heat systems, the few systems that do utilize non-barrier PEX are open systems.

Can you use orange PEX for drinking water?

SharkBite PEX Tubing is an excellent flexible water pipe tubing product for plumbing, radiant, and hydronic systems. Designed for use on hot and cold potable water lines, Orange PEX tubing is commonly used for radiant floor and hydronic heating applications.

How do you connect PEX?

  1. Cut the PEX tubing.
  2. Slide the PEX crimp ring and over the tubing approximately 2" past the end.
  3. Fully insert the PEX fitting into the PEX tubing so that the fitting's shoulder touches the tubing.
  4. Position the PEX crimp ring 1/4”-1/8” from the end of the tubing.
  5. Open the PEX crimp tool's jaws.

What does PEX stand for?

Cross-linked polyethylene

Can PEX be used for gas?


Yes, natural gas smells like rotten eggs or garlic, which is the added scent. Around here, Pex is used for underground gas piping of both natural gas and propane. It's yellow polyethylene similar to plumbing pex but not as thick walled usually.

Can hot and cold PEX lines touch?

Plumbing 101: Hot and Cold Water Lines Should Not Touch. The picture above is of PEX hot and cold water lines that have been run through the framing and are touching each other the entire way. This has passed the rough plumbing inspection and is ready for insulation and drywall.

Should I replace copper with PEX?

The installer recommends replacing my copper pipes with PEX. If so, you could get another 23 years out of your copper pipes and spare the cost to replace plumbing. If it's a small area that's leaking, you could just replace that section with either PEX or copper. Both types are interchangeable.