PEX (Cross-Linked Polyethylene) piping is a flexible, durable plumbing material used for water supply lines. It resists temperature swings, chemicals, and corrosion, making it a popular alternative to copper or PVC. Its flexibility allows faster installations with fewer fittings, reducing leak risk. PEX is suitable for hot and cold water distribution and radiant floor heating systems.
/ˈpɛks ˈpaɪpɪŋ/
PEX (Cross-Linked Polyethylene) piping is a flexible, durable plumbing material used for water supply lines. It resists temperature swings, chemicals, and corrosion, making it a popular alternative to copper or PVC. Its flexibility allows faster installations with fewer fittings, reducing leak risk. PEX is suitable for hot and cold water distribution and radiant floor heating systems.
Why choose PEX over copper?
PEX is flexible, resists corrosion, and typically installs faster with fewer joints.
Source: The Cooling Company
Flexibility, corrosion resistance, and easy installation.
During a kitchen renovation, a homeowner replaces corroded copper lines with PEX for quicker installation and fewer joints.
Use a qualified installer familiar with PEX fittings and local code requirements to ensure reliable connections.
“Use a qualified installer familiar with PEX fittings and local code requirements to ensure reliable connections.”
PEX became widely adopted in the late 20th century for its durability and ease of installation.
Is PEX safe for drinking water?
Yes. PEX is approved for potable water in many regions, but always check local codes.
Can PEX be used outdoors?
No. UV exposure can damage it, so it should not be left in sunlight.
Does PEX require special fittings?
Yes. PEX uses crimp, clamp, or expansion fittings depending on the system.
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