John Guest
John Guest, a Reliance Worldwide Corporation brand, is a global leader in push-fit fittings, pipe systems, and fluid control solutions. Known for innovation and reliability, John Guest products—such as plastic and brass connectors, tubing, valves, and manifolds—are trusted in industries like plumbing, HVAC, drinks dispensing, and industrial automation. With easy installation and leak-proof performance, John Guest systems ensure efficiency and durability worldwide.
