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Is PEX a safe for drinking water?

Questions & Answers › Category: Plumbing › Is PEX a safe for drinking water?
Carl Huergen

Are plastic pipes such as PVC, CPVC, and PEX safe for drinking water?

Paul Gordon Staff

Plastic pipes, such as PVC, CPVC, and PEX, are commonly used for the distribution of drinking water in modern plumbing systems. These types of pipes are generally considered safe for carrying drinking water, as they are resistant to corrosion and do not leach any harmful chemicals into the water.

However, it’s important to note that all plumbing materials, including plastic pipes, can potentially leach small amounts of contaminants into the water. This can occur due to a variety of factors, such as the water chemistry, the age of the pipes, and the temperature of the water. To minimize the potential for contamination, it is recommended that you use high-quality pipes and fittings that are certified for use with drinking water.

In addition, it’s important to be aware that some older types of plastic pipes, such as polybutylene (PB) pipes, are no longer considered safe for use in drinking water systems due to their tendency to fail or leach contaminants. If you have PB pipes in your home, it is recommended that you have them replaced with a safer type of pipe.

Carl Huergen

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