How To Tell Pex A From Pex B

PEX piping is a type of plastic tubing that is used for water distribution in many homes. There are two types of PEX piping, PEX-A and PEX-B. Although both types of PEX piping are made from the same material, they have different properties.

How To Tell Pex A From Pex B

There are two types of PEX tubing: PEX-A and PEX-B. PEX-A is the older type of tubing and is less common today. PEX-B is the newer type of tubing, which is made from a harder plastic and is more resistant to kinks and freezing. To identify which type of tubing you have, look for the letters “PEX” stamped on the tubing. If you can’t find any markings, try to

To determine if a PEX pipe is A or B type, use a PEX tester. This is a simple tool that can be purchased at most hardware stores. The tester has two prongs that fit into the grooves of the PEX pipe. If the tester lights up, then the pipe is an A type. If it doesn’t light up, then it is a B type.

  • Look at the molecular formula
  • Pex a will have an x in the molecular formula, while pex b will not

– PEX a is more brittle than PEX b – PEX a is more transparent than PEX b – PEX a has a higher melting point than PEX b


Frequently Asked Questions

How Do I Know What Type Of Pex I Have?

There are a few ways to determine the type of PEX you have. One way is to look at the end of the tubing. If there is a ridge around the edge, it is probably an older style of PEX and not as durable as the newer style. Another way to determine the type is by weight. The newer style of PEX is typically heavier than the older style. Finally, you can also cut a small piece of the tubing and taste it. The new style of PEX will have a slightly sweet taste, while the older style will not.

How Do You Tell The Difference Between Pex A And Pex B?

PEX A is stiffer and more brittle than PEX B. PEX B is more flexible and less brittle.

Is Pex A And Pex B The Same Size?

PEX A and PEX B are not the same size. PEX B is larger in diameter than PEX A.


Summing-Up

Knowing the difference between PEX a and PEX b is important because they have different chemical and physical properties. PEX a is more brittle than PEX b and it also has a higher melting point.

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