What Are PEX Pipes? A Complete Guide to PEX Plumbing and Color Codes - Sassy Feeds

TLDR

This guide explains what PEX pipes are, their benefits, and the meaning of different PEX pipe colors. PEX pipes are flexible, durable, and used for hot and cold water systems. They come in various colors for easy identification, such as red for hot water and blue for cold water. PEX pipes offer advantages like resistance to corrosion, lower risk of leaks, and quieter water flow compared to traditional metal pipes.

PEX pipes are quickly becoming the standard for modern plumbing—but many homeowners still don’t know what they are or what the different colors mean. From red and blue water lines to flexible white tubing, this guide explains exactly how PEX pipes work, why plumbers prefer them, and how color-coded PEX piping makes installation and maintenance easier.