John Guest Speedfit manufactures industry-leading push-to-connect fittings, pipes, and fluid control systems for plumbing, heating, and specialist applications.
John Guest Speedfit is a global leader in plastic push-fit technology, providing innovative plumbing and heating systems that are trusted by professionals and DIY enthusiasts alike.
Known for their reliability and ease of use, Speedfit products facilitate tool-free connections for domestic hot and cold water services, central heating, and underfloor heating setups. As part of the Reliance Worldwide Corporation (RWC) family, John Guest continues to engineer high-quality fluid control solutions, ensuring leak-proof performance and reduced installation times across residential, commercial, and industrial projects.
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The Speedfit system uses a collet with stainless steel teeth that grip the pipe when inserted, while an O-ring provides a permanent leak-proof seal. No tools are required for connection.
Yes, standard Speedfit fittings are suitable for central heating systems. However, always check the specific temperature and pressure ratings for the product range you are using.
To disconnect, ensure the system is depressurized, push the collet square against the face of the fitting, and pull the pipe out.
Yes, when using Speedfit cross-linked polyethylene (PEX) or polybutylene pipe, a pipe insert must be used to ensure rigidity and a proper seal.