When Mr John Guest opened his factory doors over half a century ago, his vision was to create a company offering great quality products and excellent customer service. Today, this ethos still rings true.
All of our components are manufactured under the ISO9001 Quality Management System. Our quality assurance team stringently test them at every stage of production.
John Guest was the first manufacturer of the push-fit fitting. With significant engineering expertise behind our push-fit concept, the uniqueness of our product lies within its high reliablility of performance, longevity of service and ease of use.