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John Guest

John Guest is a leading manufacturer of high-quality push-fit fittings, pipe, and plastic plumbing systems, renowned for their reliability and ease of use. Catering to a wide range of industries, including plumbing, heating, automotive, and drinks dispensing, John Guest products are designed to deliver exceptional performance and convenience.

441 products


  • John Guest Speedfit 15mm Pushfit TMV WRAS Approved

    John Guest Speedfit John Guest Speedfit 15mm Pushfit TMV WRAS Approved

    Reliance Valves Easifit Thermostatic Mixing Valve blends hot and cold water to ensure safe and comfortable water temperature, reducing the risk of accidental injuries and burns. Ultra-compact and lightweight, Easifit is ideal for use in tight spaces such as under basins, baths and shower installations. The valve complies with all applicable UK and European performance standards. Using unique technology, Easifit can function at a flow rate as low as 1 lpm, the lowest by far in the industry, and is also resistant to scale and other system contaminants ensuring increased valve longevity. The 2-in-1 valve includes check valves as well as strainers that protect both the check valves and the main valve , whereas the 4-in-1 valve includes an isolating valve, check valve, strainers and test port for monitoring system pressure and temperature. Available with flat faced unions or JG Speedfit push-fit connections, which can be fitted and demounted without the need for tools. Suitable for BREEAM projects as the valve operates at flow rates as low as 1lpm (15mm version only) Works in larger areas up to 10:1 pressure differential, exceeding the industry standard of 5:1 Features Viton seals instead of EPDM to significantly improve performance at higher temperatures Available with flat faced union on hot and cold connections or JG Speedfit push-fit for fast and simple installation and maintenance Suitable for shower, bath, basin and bidet hot water applications Flat faced union version can be used with copper pipe only. The JG Speedfit push-fit version is suitable for Speedfit PEX and polybutylene barrier pipe (inserts required) or copper pipe.

    £48.49

  • John Guest Speedfit 12mm Shut Off Valve - PPMSV041212W (Pack of 3)

    John Guest Speedfit John Guest Speedfit 12mm Shut Off Valve - PPMSV041212W (Pack of 3)

    John Guest push-fit polypropylene Speedfit to Speedfit push-fit shut off valve isolates supply to a fixture or appliance. Fast and simple to install, John Guest valves create an instant push-fit connection and leak tight seal without the need for tools, hot works or sealing agents. The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. John Guest push-fit valves are corrosion resistant and fully demountable, improving system performance and reducing system downtime during maintenance. Manufactured in polypropylene with an EDPM O-Ring, the valve offers greater chemical resistance than the push-fit acetal valve and is suitable for potable water (10 bar at 20°C), intermittent hot water (4 bar at 60°C), water treatment and purification applications. All John Guest fittings are manufactured and assembled in the UK. Durable polypropylene shut off valve with EDPM O-Ring offers high chemical resistance Integral 1/4 turn isolation valve Instant push-fit connection and leak tight seal Connect, disconnect and reconnect in seconds without tools No scale build up improves performance and equipment lifespan Superior flow characteristics Suitable for potable liquid, intermittent hot water, water treatment and purification applications. Not suitable for compressed air, vacuum, explosive gases, petroleum spirit or other fuel or heating systems. Compatible with LLDPE or soft metal pipe/tubingPack of 3

    £14.49

  • John Guest Speedfit 12mm Shut Off Valve - PPMSV041212W (Pack of 2)

    John Guest Speedfit John Guest Speedfit 12mm Shut Off Valve - PPMSV041212W (Pack of 2)

    John Guest push-fit polypropylene Speedfit to Speedfit push-fit shut off valve isolates supply to a fixture or appliance. Fast and simple to install, John Guest valves create an instant push-fit connection and leak tight seal without the need for tools, hot works or sealing agents. The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. John Guest push-fit valves are corrosion resistant and fully demountable, improving system performance and reducing system downtime during maintenance. Manufactured in polypropylene with an EDPM O-Ring, the valve offers greater chemical resistance than the push-fit acetal valve and is suitable for potable water (10 bar at 20°C), intermittent hot water (4 bar at 60°C), water treatment and purification applications. All John Guest fittings are manufactured and assembled in the UK. Durable polypropylene shut off valve with EDPM O-Ring offers high chemical resistance Integral 1/4 turn isolation valve Instant push-fit connection and leak tight seal Connect, disconnect and reconnect in seconds without tools No scale build up improves performance and equipment lifespan Superior flow characteristics Suitable for potable liquid, intermittent hot water, water treatment and purification applications. Not suitable for compressed air, vacuum, explosive gases, petroleum spirit or other fuel or heating systems. Compatible with LLDPE or soft metal pipe/tubingPack of 2

    £10.99

  • John Guest Speedfit Elbow 15mm PEM0315W (Pack of 5)

    John Guest Speedfit John Guest Speedfit Elbow 15mm PEM0315W (Pack of 5)

    JG Speedfit equal elbow push-fit fitting for the connection of equal sized plastic or copper pipe to form a 90° bend. Simply push the push-fit fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. To demount the connection, unlock the nut by hand and push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit equal elbow push-fit fitting is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK. Pack of 5Instant push-fit connection Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal collet with stainless steel teeth and main O-Ring seal Twist & Lock mechanism secures fitting and adds compression Non-toxic, resists corrosion and no scale build-up Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £21.49

  • John Guest Speedfit Elbow 15mm PEM0315W (Pack of 4)

    John Guest Speedfit John Guest Speedfit Elbow 15mm PEM0315W (Pack of 4)

    Connect equally-sized pipes to form a 90° pipe bend quickly and securely with this JG Speedfit 15mm elbow. It can be installed in seconds, and no tools are needed – simply push it fully onto the pipe and twist the plastic nut clockwise to lock in place. This Twist & Lock mechanism secures the fitting and adds compression too. At up to 40% faster to install than traditional methods, JG Speedfit equal elbow push-fit fittings are much easier to use in confined spaces as there’s no need for hot works or tools. Demounting the connection is equally easy. Just unlock the nut by hand and push the collet towards the body of the fitting, then pull the pipe to release. JG Speedfit blends push-fit and multi-seal technology for a reliable leak-proof connection. Suitable for use with plastic or copper pipe, you can create a truly flexible plumbing and heating system, and complete the job in no time.• Push-fit system is easy to use for faster installation times• Provides a secure and reliable leak-proof connection• Install or demount in seconds, without the need for tools• Suitable for hot and cold water services• Can be used on central heating systems and combi systems• Minimum operating temperature of 20°C • Maximum operating temperature of 105°C• 12 bar maximum operating pressure at minimum temperature• 3 bar maximum operating pressure at maximum temperature• 50-year guarantee • Manufactured to BS EN 7291 Parts 1, 2, 3 and S• WRAS-approved• Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipeTechnical specificationBrand JG SpeedfitColour WhiteMaterial PlasticManufacturer ID PEM01315WWarranty (years) 50Angle (°) 90Diameter (mm) 15Pack Size 4Fitting Type Elbow Equal or Reducing Equal

    £18.49

  • John Guest Speedfit Elbow 15mm PEM0315W (Pack of 2)

    John Guest Speedfit John Guest Speedfit Elbow 15mm PEM0315W (Pack of 2)

    JG Speedfit equal elbow push-fit fitting for the connection of equal sized plastic or copper pipe to form a 90° bend. Simply push the push-fit fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. To demount the connection, unlock the nut by hand and push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit equal elbow push-fit fitting is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK.Instant push-fit connectionInstall and demount in seconds without toolsSafe flame-free installation, with no hot works, glue or fluxGrip & Seal collet with stainless steel teeth and main O-Ring sealTwist & Lock mechanism secures fitting and adds compressionNon-toxic, resists corrosion and no scale build-upCompatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipeSuitable for hot and cold water and central heating systemsPack of 2

    £11.49

  • John Guest Speedfit Superseal Pipe Insert 15mm (Pack Of 150)

    John Guest Speedfit John Guest Speedfit Superseal Pipe Insert 15mm (Pack Of 150)

    Always use a JG Speedfit superseal pipe insert when connecting Speedfit pipe to a Speedfit push-fit fitting. Inserts play a vital role in providing extra support to pipework, ensuring that the ends of the pipe are kept nice and round, and minimising any loss of shape that can occur when cutting. JG Speedfit superseal pipe insert contains dual O-Rings to provide even greater sealing security than a standard insert. The first O-Ring is on the stem that is pushed into the pipe to prevent water from inside the pipe passing between the inside of the pipe wall and the outside surface of the insert. The second O-Ring sits on the end of the insert and seals inside the push-fit fitting, becoming a seal between the main pipe and push-fit fitting. When superseal Inserts are used with Speedfit push-fit fittings a multi-seal is formed as all push-fit fittings also include a main O-Ring seal. 2 extra O-Rings provide enhanced sealing (10mm version features one o-ring only) Maintains structural integrity of the pipe connection Helps make the pipe more rigid when a side load is applied Suitable for hot and cold water and central heating systems Suitable for Speedfit pipes and fittings onlyPack of 150

    £78.49

  • John Guest Speedfit Superseal Pipe Insert 15mm (Pack Of 100)

    John Guest Speedfit John Guest Speedfit Superseal Pipe Insert 15mm (Pack Of 100)

    Always use a JG Speedfit superseal pipe insert when connecting Speedfit pipe to a Speedfit push-fit fitting. Inserts play a vital role in providing extra support to pipework, ensuring that the ends of the pipe are kept nice and round, and minimising any loss of shape that can occur when cutting. JG Speedfit superseal pipe insert contains dual O-Rings to provide even greater sealing security than a standard insert. The first O-Ring is on the stem that is pushed into the pipe to prevent water from inside the pipe passing between the inside of the pipe wall and the outside surface of the insert. The second O-Ring sits on the end of the insert and seals inside the push-fit fitting, becoming a seal between the main pipe and push-fit fitting. When superseal Inserts are used with Speedfit push-fit fittings a multi-seal is formed as all push-fit fittings also include a main O-Ring seal. 2 extra O-Rings provide enhanced sealing (10mm version features one o-ring only) Maintains structural integrity of the pipe connection Helps make the pipe more rigid when a side load is applied Suitable for hot and cold water and central heating systems Suitable for Speedfit pipes and fittings onlyPack of 100

    £53.99

  • John Guest Speedfit Pre Pack Chrome Ball Valve 22mm 22BVP

    John Guest Speedfit John Guest Speedfit Pre Pack Chrome Ball Valve 22mm 22BVP

    20 in stock

    Chrome finished service valve allows isolation of a fixture or appliance for emergency or maintenance work JG Speedfit ball valve (chrome plated) for connecting plastic or copper pipe. Using an easy to operate handle, the valve enables the flow of water to a fixture or appliance to be isolated in the event of an emergency or for maintenance work. Simply push the valve fully onto the pipe. To demount the connection, push the collet towards the body of the push-fit fitting and pull the pipe release. The JG Speedfit ball valve (chrome plated) is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK. Features and benefits Instant push-fit service valve with integrated isolation handle Durable brass chrome plated body Red and blue indices for easy identification of water supply Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal™ collet with stainless steel teeth and main O-Ring seal Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    20 in stock

    £14.49

  • John Guest Speedfit Pre Pack 4 Port Rail Manifold 22 x 10mm SFM522210EP

    John Guest Speedfit John Guest Speedfit Pre Pack 4 Port Rail Manifold 22 x 10mm SFM522210EP

    Centralises supply and distributes to four different outlet feeds JG Speedfit 4 way push-fit manifold for splitting a main supply line into four reduced outlet feeds. Simply push the pipe fully onto the push-fit fitting. To demount the connection, push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit 4 way push-fit manifold is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK. Features and benefits Instant push-fit connection Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal™ collet with stainless steel teeth and main O-Ring seal Non-toxic, resists corrosion and no scale build-up Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £10.99

  • John Guest Speedfit Pre Pack Pipe Repair Kit 22mm 22RKP

    John Guest Speedfit John Guest Speedfit Pre Pack Pipe Repair Kit 22mm 22RKP

    Efficiently repairs and replace leaking pipework JG Speedfit pipe repair kit for quickly and easily repairing broken pipework without having to dismantle the existing pipe set up. The Twist & Lock® cap makes it easy to install, demount and adjust. Simply push the push-fit fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. To demount the connection, unlock the nut by hand and push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit pipe repair kit is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK. Features and benefits Instant push-fit connection Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal™ collet with stainless steel teeth and main O-Ring seal Twist & Lock® cap secures fitting and adds compression Non-toxic, resists corrosion and no scale build-up Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £8.99

  • John Guest Speedfit Pre Pack Pipe Repair Kit 15mm 15RKP

    John Guest Speedfit John Guest Speedfit Pre Pack Pipe Repair Kit 15mm 15RKP

    Efficiently repairs and replace leaking pipework JG Speedfit pipe repair kit for quickly and easily repairing broken pipework without having to dismantle the existing pipe set up. The Twist & Lock® cap makes it easy to install, demount and adjust. Simply push the push-fit fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. To demount the connection, unlock the nut by hand and push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit pipe repair kit is up to 40% faster to install than traditional methods and is easier to use in confined spaces by removing the need for hot works and tools. Designed, manufactured and assembled in the UK. Features and benefits Instant push-fit connection Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal™ collet with stainless steel teeth and main O-Ring seal Twist & Lock® cap secures fitting and adds compression Non-toxic, resists corrosion and no scale build-up Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £8.49

John Guest

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