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 Reducing Elbow 22 X 15mm (Pack Of 5)

    John Guest Speedfit John Guest Speedfit Reducing Elbow 22 X 15mm (Pack Of 5)

    JG Speedfit reducing elbow push-fit fitting for the connection of unequal 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 reducing 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 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

    £33.49

  • John Guest Speedfit Elbow 22mm (Pack Of 5)

    John Guest Speedfit John Guest Speedfit Elbow 22mm (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. 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 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

    £24.49

  • John Guest Speedfit Elbow 15mm Pem0315W (Pack Of 10)

    John Guest Speedfit John Guest Speedfit Elbow 15mm Pem0315W (Pack Of 10)

    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 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

    £29.49

  • John Guest Speedfit Elbow 10mm (Pack Of 10)

    John Guest Speedfit John Guest Speedfit Elbow 10mm (Pack Of 10)

    Quickly and securely connects equally sized pipe to form a 90° pipe bend 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 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

    £39.49

  • John Guest Speedfit 15mm Pushfit Auto Airvent

    John Guest Speedfit John Guest Speedfit 15mm Pushfit Auto Airvent

    When air becomes trapped in a sealed heating system it can cause a wide variety of problems including excessive noise, corrosion and increased maintenance costs as it also can cause air locks and prevent the system from operating effectively and efficiently. Automatic air vents are most suited for heating systems and other closed circuit hot water systems which require an efficient and automatic removal of air whilst the system fills with water. A vacuum break is fitted onto the bottom of the valve in order to prevent an air lock forming and encourages air to be released from the water within the system. The Reliance Automatic Air Vent are high-quality solid brass & heat resistant polypropylene to provide long life and durability in heating systems to help vent air when commissioning a system. Available with MBSP, compression or push-fit connections. Automatically vents trapped air from within sealed heating systems Robust solid brass construction and heat resistant polypropylene float Available with a variety of connection ends

    £13.49

  • John Guest Speedfit 15mm Brass Bodied Pushfit Ball Valve WRAS Approved

    John Guest Speedfit John Guest Speedfit 15mm Brass Bodied Pushfit Ball Valve WRAS Approved

    Our quarter turn ball valves are used in water applications to allow appliances or sections of plumbing within a building to be switched off, without the need for draining the whole system. The brass ball valve reduces and stops water flow, creating an isolation after the valve position. Reliance quarter turn ball valve fittings are available with a blue or red handle to help distinguish usage (generally hot and cold) and are EN331 compliant. Typically, brass ball valves can be found at appliance outlets, such as washing machines and dishwashers to allow water supply to be cut off for installation and maintenance. We also offer in line washing machine valves with smaller handles which can be used in limited space areas. Quarter Turn Ball Valves can also be used under kitchen or bathroom sinks to allow users to control tap water flow. Used in place of a standard service or isolation valve, a quarter turn valve can provide a more robust, easy to use shut off option for temporarily stopping water supply. Due to the large handle, these valves are also recommended for use in specialist situations where the smaller screw type ball valves may not be suitable. The quarter turn ball valve is also available with Speedfit connections, for fast, secure and tool-free installation. Range of full bore ball valves Nickel plated PN40 or PN25 FBSP variants available Easy to use lever handle with clear colouring to designate usage: red and blue for hot and cold water in accordance with EN331 Not suitable for chilled water

    £12.99

  • 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.

    £62.99

  • John Guest Speedfit Reducing Coupler 22 X 15mm (Pack Of 5)

    John Guest Speedfit John Guest Speedfit Reducing Coupler 22 X 15mm (Pack Of 5)

    Quickly and securely connects two unequal metric pipe sizes JG Speedfit reducing straight connector push-fit fitting for the connection of two equal pipe sizes. 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 reducing straight connector 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 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

    £33.49

  • John Guest Speedfit Reducing Coupler 15 X 10mm (Pack Of 10)

    John Guest Speedfit John Guest Speedfit Reducing Coupler 15 X 10mm (Pack Of 10)

    JG Speedfit reducing straight connector push-fit fitting for the connection of two equal pipe sizes. 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 reducing straight connector 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 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

    £53.99

  • John Guest Speedfit Straight Coupler 15mm (Pack Of 10)

    John Guest Speedfit John Guest Speedfit Straight Coupler 15mm (Pack Of 10)

    JG Speedfit equal straight connector push-fit fitting for the connection of two equal pipe sizes. 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 straight connector 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 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

    £24.49

  • John Guest Speedfit Straight Coupler 22mm (Pack Of 5)

    John Guest Speedfit John Guest Speedfit Straight Coupler 22mm (Pack Of 5)

    JG Speedfit equal straight connector push-fit fitting for the connection of two equal pipe sizes. 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 straight connector 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 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

    £20.99

  • John Guest Speedfit Straight Coupler 28mm (Pack Of 2)

    John Guest Speedfit John Guest Speedfit Straight Coupler 28mm (Pack Of 2)

    JG Speedfit equal straight connector push-fit fitting for the connection of two equal pipe sizes. 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 straight connector 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 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

    £20.99

John Guest

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