The John Guest Group, still family owned and run was established in the early 1960’s specialising in precision engineering and tool making. The company has grown to become the world’s largest manufacturer of push in fittings, pipe and other fluid control products for a wide range of applications. The company employs some 1,100 people at its 300,000 sq ft purpose built manufacturing centres in west London and in Maidenhead. Every aspect of the company’s operation is characterised by the pursuit of total quality. Zero defect control is built into the design, manufacturing and assembly processes to achieve optimum standards of long term product reliability. The company recently received its 4th Queen’s Awards for Enterprise, in the Innovation Category, given in recognition of the design and manufacture of an improved range of Speedfit Pipe and Fittings and ‘Superseal’ Pipe Insert; automating its production activities to increase efficiency and having regard for environmental concerns. Customers benefit from an increasingly rapid and reliable installation.
Flexi Hoses
Manufactured to the highest quality the JG Speedfit flexi hose range can be used on hot and cold water applications.

Y11 Pipeline ancillaries
Speedfit Ball Valve
A range of ball valves with push fit connection.

S90 Hot and cold water supply systems - domestic, Y11 Pipeline ancillaries
Speedfit Fittings
Push-fit solutions for plumbing and hot water systems.

Y10 Pipelines, T90 Heating systems - domestic, S90 Hot and cold water supply systems - domestic
John Guest Speedfit Ltd is certified to the following Quality Assurance schemes/standards:
BS 7291: 2006 Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings. General requirements
BS 7291: 2006 Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings. Specification for cross-linked polyethylene pipes and fittings
BS 7291: 2006 Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings. Specification for polybutylene (PB) pipes and associated fittings
BS EN ISO 14001: 2004 – SIRA
BBA Certificate 95/3177 – Plumbing systems
John Guest Speedfit Ltd provides goods and services in the following areas: