John Guest

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.

568 products


  • John Guest Speedfit Brass Cylinder Adaptor 22 X 1" Male

    John Guest Speedfit John Guest Speedfit Brass Cylinder Adaptor 22 X 1" Male

    JG Speedfit brass male cylinder adaptor push-fit fitting that connects pipe to a male thread hot cylinder. The push-fit fitting is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works. Designed, manufactured and assembled in the UK. 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

    £29.99

  • John Guest Speedfit Brass Cylinder Adaptor 22 X 1" Female

    John Guest Speedfit John Guest Speedfit Brass Cylinder Adaptor 22 X 1" Female

    JG Speedfit brass female cylinder adaptor push-fit fitting that connects pipe to a female thread hot cylinder. The push-fit fitting is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works. Designed, manufactured and assembled in the UK. 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

    £29.99

  • John Guest Speedfit Brass Backplate Elbow 15mm X 1/2"

    John Guest Speedfit John Guest Speedfit Brass Backplate Elbow 15mm X 1/2"

    JG Speedfit brass back plate elbow with back plate for connecting pipe using a female thread, making it ideal for bib taps. To connect the push-fit end, simply push onto a plastic or copper pipe. To demount the connection, push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit brass back plate elbow is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works. Designed, manufactured and assembled in the UK. Instant push-fit connection and durable female thread Safe flame-free installation, with no hot works, glue or flux Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £21.99

  • John Guest Speedfit John Guest Speedfit White Plastic Service Valve 15mm X 1/2"

    JG Speedfit straight service valve with tap connector for the connection of plastic and copper pipe. Using an integrated handle, the valve allows for isolation of fixtures (taps, bath taps and WCs) and appliances (washing machines and dishwashers) for maintenance or installation. To connect simply push the JG Speedfit service valve with tap connector fully onto the pipe and screw up to the fixture to the threaded connection. To demount the connection, pull the collet towards the body of the push-fit fitting and pull the pipe to release. Designed, manufactured and assembled in the UK. Push-fit service valve and hand-tighten tap connector Integrated ¼ turn handle instantly isolates water 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 (not suitable for central heating)

    £19.99

  • John Guest Speedfit Plastic Service Valve 15mm (15SV)

    John Guest Speedfit John Guest Speedfit Plastic Service Valve 15mm (15SV)

    John Guest push-fit acetal service valve metric is used to temporarily shut off hot or cold water supply to a drinks dispense fixture or fitting. The ball valve is easily operated with a ¼ turn screwdriver slot and is also suitable for hot and cold water applications. 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. All John Guest fittings are manufactured and assembled in the UK. Durable acetal copolymer material with nitrile O-rings 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 hot and cold water Compatible with LLDPE or soft metal pipe/tubing

    £13.49

  • John Guest Speedfit White Plastic Angle Svc Valve 15mm X 1/2"

    John Guest Speedfit John Guest Speedfit White Plastic Angle Svc Valve 15mm X 1/2"

    JG Speedfit angle service valve with tap connector for connecting fixtures to pipework. The valve enables the flow of water to a fixture to be isolated in the event of an emergency or for maintenance work using a tamperproof ¼ turn screwdriver slot. Simply push the valve fully onto the pipe and use the 90o bent nut to hand-tighten on to a side entry tap, toilet or male thread. To demount the push-fit connection end, push the collet towards the body of the push-fit fitting and pull the pipe release. The JG Speedfit angle service valve with tap connector is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Push-fit service valve and hand-tighten tap connector 1/4 turn isolation screwdriver slot 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 (not suitable for central heating)

    £15.99

  • John Guest Speedfit Cp Service Valve 15mm X 1/2" TC (15Ptsv)

    John Guest Speedfit John Guest Speedfit Cp Service Valve 15mm X 1/2" TC (15Ptsv)

    JG Speedfit brass service valve with tap connectors (chrome plated) for connecting fixtures to pipework. Using a tamperproof 1/4 turn screwdriver slot, the valve enables the flow of water to a fixture to be isolated in the event of an emergency or for maintenance work. Simply push the valve fully onto the pipe and hand-tighten the nut on to a side entry tap, toilet or male thread. To demount the push-fit connection end, push the collet towards the body of the push-fit fitting and pull the pipe release. The JG Speedfit brass service valve with tap connectors (chrome plated) is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Push-fit service valve and hand-tighten tap connector Durable brass chrome plated body 1/4 turn isolation screwdriver slot 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

    £25.49

  • John Guest Speedfit Brass Coupler 15mm X 1/2" Male BSP

    John Guest Speedfit John Guest Speedfit Brass Coupler 15mm X 1/2" Male BSP

    JG Speedfit brass male coupler for connecting metric pipe using a male thread. To connect the push-fit end, simply push onto a plastic or copper pipe. To demount the connection, push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit brass male coupler is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works. Designed, manufactured and assembled in the UK. Instant push-fit connection and durable male thread Safe flame-free installation, with no hot works, glue or flux Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water and central heating systems

    £13.49

  • John Guest Speedfit Shut Off Tap 15mm (15Esot)

    John Guest Speedfit John Guest Speedfit Shut Off Tap 15mm (15Esot)

    JG Speedfit emergency shut off tap allows the user to stop the flow of water to a fixture or zone in the event of an emergency or repair work. Simply push the valve fully onto the pipe and turn the knob on top of the push-fit fitting to allow or restrict the flow of water. To demount the connection, push the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit emergency shut off tap is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Simple hand turn of the knob instantly isolates water 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 (not suitable for central heating systems)

    £13.99

  • John Guest Speedfit Double Check Valve 15mm (15DCV)

    John Guest Speedfit John Guest Speedfit Double Check Valve 15mm (15DCV)

    John Guest push-fit acetal double check valve provides protection from the reversal of flow or back siphonage against Fluid Category 3 risks. he low headloss design, is suitable for potable liquids , foodstuffs, intermittent hot water (up to 50oC max and in accordance with The British Beer and Pub Association Code of Practice), water treatment and purification applications. 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. All John Guest fittings are manufactured and assembled in the UK. Durable acetal copolymer material and nitrile O-rings Backflow prevention up to Fluid Category 3 Spring loaded internal check valve Integral test ports 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 water, foodstuffs, intermittent hot water, water treatment and purification applications (not suitable for vacuum or air) Compatible with LLDPE or soft metal pipe/tubing

    £22.49

  • John Guest Speedfit Brass Drain Cock 15mm

    John Guest Speedfit John Guest Speedfit Brass Drain Cock 15mm

    JG Speedfit brass drain cock is used to drain water from a central heating system. Designed, manufactured and assembled in the UK. Durable DZR brass body Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for central heating systems only

    £15.49

  • John Guest Speedfit Appliance Tee 15mm X 3/4"(15Apt2)

    John Guest Speedfit John Guest Speedfit Appliance Tee 15mm X 3/4"(15Apt2)

    JG Speedfit appliance tee allows isolation of appliances such as washing machines or dishwashers for maintenance or installation. Simply push the push-fit fitting fully onto the pipe and thread the appliance hose onto the valve. To demount the push-fit end, pull the collet towards the body of the push-fit fitting and pull the pipe to release. The JG Speedfit appliance tee is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Quickly connects an appliance to the water supply Integrated 1/4 turn shut off valve 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 (not suitable for central heating systems)

    £17.49

John Guest

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