John Guest water treatment fittings allow for quick, secure and leak-free connections every time.
Our fittings are made with non-toxic, food-grade materials, so they’re suitable for a wide range of residential and commercial water treatment applications. The push-to-connect design cuts down on install time and can be used with plastic and copper tubing to create a fast, secure seal while maintaining full flow.
John Guest is a part of the RWC global network of innovative water solutions. Reliance Worldwide Corporation (RWC) is a market leader and manufacturer of water control systems and plumbing solutions for residential, commercial and industrial applications.