Plastic vs Brass PEX Fittings: Which Is Better?
Plastic and brass PEX fittings can both be reliable choices. The better option depends on the fitting design, connection method, water conditions, flow requirements, installation, and product certification—not simply whether the fitting is plastic or brass. For most residential PEX plumbing, high-quality plastic fittings made from engineered polymers such as PPSU can offer excellent corrosion…
