Find the Pex pipe/press compression fittings from top brands in various materials and sizes. Visit Wallington Plumbing & Heating Supply to shop online now! Pex Fittings PEX pipe fittings connect PEX tubing to PEX tubing, PEX tubing to manifolds, PEX tubing to copper, PEX tubing to faucets and fixtures, and a various other applications. Fittings are typically made of brass, but they are also available in plastic, bronze, and even stainless steel.When compared to traditional copper fitting alternatives, the benefits of PEX fittings include cost effectiveness, flexibility, and durability. Because of the flexibility of PEX, a standard installation will require fewer connections than a similar installation using traditional copper pipe and fittings. As a result, fewer connection requirements mean fewer fittings in the system, which means less leak potential and lower labor costs. You can find the right PEX connection for you with our selection of PEX fittings at Wallington Plumbing & Heating Supply. With a variety of sizes, styles, and materials to choose from, you'll be able to find the right fittings for the job. PEX fittings are available in various connection methods that differ from one manufacturer to the next. Common connection methods are Uponor ProPEX, crimp, clamp, Viega PEXPress, compression, and push-fit connections.