PEX-B pipes are a little stiffer than PEX-A. However, they are still strong and reliable for water supply. Many builders use them for everyday plumbing work in houses.
3. PEX-C
PEX-C pipes are another common type used for plumbing systems. They are strong and suitable for many water supply needs in homes and buildings.
Even though the types of PEX pipes are different, all of them are designed to safely carry water and last for many years.
Summary
PEX pipes are flexible plastic pipes used to carry water inside buildings. They are easy to install, strong, and work well for both hot and cold water supplies.