Cross linked polyethylene (PEX) pipe may be used for _________ water only?

Cross-linked polyethylene (PEX) pipe is a versatile plumbing material often used for a variety of applications, including both hot and cold water systems. The correct answer is “hot water.” PEX is specifically designed to handle the temperature variations found in hot water plumbing systems without degrading or losing integrity over time.

In many installations, PEX has excellent resistance to temperature and pressure, making it suitable for hot water distribution in residential and commercial settings. Its flexible nature allows for easier installation in tight spaces, contributing to its growing popularity among plumbers and contractors.

While high-purity water applications may utilize other materials due to stringent regulations and the need for non-leaching characteristics, PEX is primarily recognized for its efficiency and performance in handling both hot and cold water supply lines.