What is the main advantage of using PEX piping in plumbing?

The main advantage of using PEX piping in plumbing is its flexibility and resistance to corrosion. PEX, which stands for cross-linked polyethylene, is highly adaptable and can easily be maneuvered around obstacles in a plumbing installation. This flexibility allows for easier installation in tight spaces or around corners, reducing the need for numerous fittings and joints, which can be potential points of failure.

In terms of corrosion resistance, PEX does not corrode like metal pipes, which can suffer from rust or mineral build-up over time. This property extends the lifespan of the plumbing system and helps maintain the quality of the water being delivered, as it avoids issues commonly associated with corrosion in metallic pipes.

While low cost and ease of installation are certainly benefits of PEX, they stem largely from its flexibility and other properties; thus, they are not the standout advantage compared to how PEX uniquely handles challenges related to corrosion. Although improved water taste and high heat resistance can be considerations with PEX, they are not the primary reasons for choosing this type of piping over others. The flexibility and resistance to corrosion make it the most compelling choice in many plumbing applications.