John Guest

John Guest Fittings

Shop for John Guest ball valves, connectors, and more! John Guest is a highly known United Kingdom manufacturer that has been offering high-quality John Guest valves at reasonable prices. We offer a variety of their products from John guest 15mm fittings to John Guest 3/8 tubing. Browse our John Guest USA products to learn more. For more options, visit our fittings category. 

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About John Guest

John Guest has been providing great products since the 1950s. They are known for their innovation, quality, and John Guest speedfit technology. They do it all from John Guest tubing to John Guest fittings. They are a great resource for pure water solutions and plumbing and heating consultations.