Our family of brands
Discover more about our growing family of integrated brands, brought together by leading global plumbing group RWC. Explore our range of solutions sharing the same DNA of trusted, time-saving innovation and precision-engineered reliability.
Innovative solutions designed to make lives easier.
Founded in 1961, as the inventor of plastic push-fit pipe fitting technology, John Guest has revolutionised many industries, beginning with compressed air. Made in Britain and trusted worldwide, we are a leading manufacturer of plumbing and heating systems, as well as solutions for an ever-expanding range of drinks dispense, water treatment, telecoms, automotive, compressed air and OEM applications.
The innovative plastic push-fit system, JG Speedfit has unique multi-seal technology providing fast, secure connections that can dramatically reduce the installation time for plumbing and heating systems, compared to traditional methods. Simply fitted and dismounted without using tools or hot works, JG Speedfit is perfect for many first and second fix applications for hot and cold water systems and central heating. Using the same, trusted technology, our JG Underfloor range is the smart, simple and efficient way to heat a home.
Reliance Valves are world-leaders in the precise, safe control of the delivery of water, throughout domestic and commercial buildings. Our extensive range of pressure, temperature and thermostatic mixing valves protects and safeguards hot and cold water systems to create safe, comfortable homes and workspaces. As well as trusted quality, Reliance Valves benefit from many unique time and space saving features. Backed by over 70 years of innovation, we’re continually developing new and more sustainable solutions for the built environment.
Our tough, sleek brass push-fit range is a proven market leader across North America and Australia. Now available in the UK, SharkBite can be combined with JG Speedfit to plumb an entire house using our push-fit technology. SharkBite is designed to withstand high temperature and pressure and quickly and safely connects copper pipes directly to the boiler. Using a simple push-fit action, SharkBite is installed without using tools or soldering, and is compatible with plastic and copper pipe.