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.

681 products


  • John Guest Speedfit Polypropylene Shut Off Valve 3⁄8_ x 3⁄8_ PPSV041212WP

    John Guest Speedfit John Guest Speedfit Polypropylene Shut Off Valve 3⁄8" x 3⁄8" PPSV041212WP

    19 in stock

    Quickly and safely isolates a fixture or appliance via an integrated 1/4 turn isolation valve John Guest push-fit polypropylene John Guest Speedfit to John Guest 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. Features and benefits 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/tubing

    19 in stock

    £8.49

  • Last stock! John Guest Speedfit Under Floor Heating Service Kit For JG/CONTROL4 MVKIT03

    John Guest Speedfit John Guest Speedfit Under Floor Heating Service Kit For JG/CONTROL4 MVKIT03

    1 in stock

    Full internal service kit for the JG/Control4 and JG Control/5 mixing valve JG Underfloor internal service kit for JGControl/4 & JG/Control 5. Includes replacement thermostat, spring and lubricant for the UFH mixing valve, as well as replacement seals for the mixer's brass temperature adjustment. Features and benefits Includes a replacement thermostatic element, spring and lubricant All mixing valve seals included

    1 in stock

    £44.99

  • Last stock! John Guest Speedfit Under Floor Heating Gateway For Battery RF Thermostats only JGWAY1

    John Guest Speedfit John Guest Speedfit Under Floor Heating Gateway For Battery RF Thermostats only JGWAY1

    3 in stock

    Internet gateway for remote underfloor heating control (RF thermostats only) JG Underfloor Controls gateway is a mains-powered, compact unit for connecting RF thermostats to the internet via Wi-Fi. When used with the JG Underfloor Controls app, underfloor heating can be remotely controlled on the go. Features and benefits Enables control of thermostats via the internet Compact mains-powered unit, cable supplied Indicator lights show status of device Install anywhere in the system, no hard-wired router connection needed

    3 in stock

    £79.49

  • John Guest Speedfit Under Floor Heating 240V Wiring Centre with RF (Radio Frequency) JGWCRF4

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wiring Centre with RF (Radio Frequency) JGWCRF4

    14 in stock

    Centralised junction for all underfloor heating wiring. Communicates via radio frequency to associated thermostats, eliminating the need for additional wiring JG Underfloor Controls 240v wiring centre with RF is an all-in-one junction box for underfloor heating systems. Essential for centralising underfloor heating wiring, the wiring centre features 8 zone connections and is easily mounted and wired with a fully labelled circuit board. All connections are hard wired for zone valves (for additional radiators or hot water motorized valves), actuators, pump and a remote connection to JG Underfloor Controls RF programmable room thermostats. When used with the JG Underfloor Controls gateway and app, underfloor heating and hot water can be remotely controlled on the go. Features and benefits Controls up to 4 circuits from a single thermostat On board RF communication between the thermostats and the wiring centre eliminates the need for further wiring LED lights indicate the status of the system power, thermostats, pump, boiler and hot water, so performance can be monitored at a glance Dip switches on all 8 standard zones stop the UFH pump activating when a mix of both radiators and underfloor heating is used on the system All functions fully accessible from the front of the unit with no additional internal link wiring required Connections for hot water and central heating zone valves

    14 in stock

    £258.49

  • John Guest Speedfit Under Floor Heating 240V Wiring Centre JGWC4

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wiring Centre JGWC4

    Centralised junction for all underfloor heating wiring JG Underfloor Controls heating 240v wiring centre is an all-in-one junction box for underfloor heating systems. Essential for centralising underfloor heating wiring, the wiring centre features 8 zone connections and is easily mounted and wired with a fully labelled circuit board. All connections are hard wired for zone valves (for additional radiators or hot water motorized valves), actuators, pump and room thermostats. When used with the JG Underfloor Controls gateway and app, underfloor heating and hot water can be remotely controlled on the go. Features and benefits Controls up to 4 circuits from a single thermostat LED lights indicate the status of the system power, thermostats, pump, boiler and hot water, so performance can be monitored at a glance Dip switches on all 8 standard zones stop the UFH pump activating when a mix of both radiators and underfloor heating is used on the system All functions fully accessible from the front of the unit with no additional internal link wiring required Connections for hot water and central heating zone valves

    £137.99

  • John Guest Speedfit Under Floor Heating Battery Rf Programmable Stat - White JGSTATRF4BW

    John Guest Speedfit John Guest Speedfit Under Floor Heating Battery Rf Programmable Stat - White JGSTATRF4BW

    Battery operated programmable room thermostat for underfloor heating JG Underfloor Controls battery operated and RF programmable thermostat is a stylish and simple way to control wet underfloor heating systems. The thermostat communicates with the JG Underfloor Controls RF wiring centre via a radio signal to provide heat to an individual room and to remove the need for further wiring. Its user-friendly interface makes adjusting and programming temperatures fast and simple. When used with the JG Underfloor Controls gateway and app, underfloor heating can be controlled remotely on the go. Features and benefits Battery operated programmable thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Radio signalling to the RF wiring centre saves cost on cabling and eliminates damage and disruption caused by additional wiring Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    £108.49

  • Last stock! John Guest Speedfit Under Floor Heating Battery Rf Programmable Stat - Black JGSTATRF4BBL

    John Guest Speedfit John Guest Speedfit Under Floor Heating Battery Rf Programmable Stat - Black JGSTATRF4BBL

    4 in stock

    Battery operated programmable room thermostat for underfloor heating JG Underfloor Controls battery operated and RF programmable thermostat is a stylish and simple way to control wet underfloor heating systems. The thermostat communicates with the JG Underfloor Controls RF wiring centre via a radio signal to provide heat to an individual room and to remove the need for further wiring. Its user-friendly interface makes adjusting and programming temperatures fast and simple. When used with the JG Underfloor Controls gateway and app, underfloor heating can be controlled remotely on the go. Features and benefits Battery operated programmable thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Radio signalling to the RF wiring centre saves cost on cabling and eliminates damage and disruption caused by additional wiring Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    4 in stock

    £108.49

  • John Guest Speedfit Under Floor Heating 240V Wired/Rf Programmable Stat - White JGSTATRF4W

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wired/Rf Programmable Stat - White JGSTATRF4W

    Wireless RF programmable room thermostat for underfloor heating JG Underfloor Controls 240v wired and RF programmable thermostat is a stylish and simple way to control wet underfloor heating systems. The thermostat is mains-powered but communicates with the JG Underfloor Controls RF wiring centre via a radio signal to provide heat to an individual room and to remove the need for further wiring. Its user-friendly interface makes adjusting and programming temperatures fast and simple. Ideal for new builds and renovations, the back plate is fitted before decorating begins and the front plate is installed once work is completed to avoid any damage. Designed to suit a standard pattress box, the thermostat is also ideal when replacing an existing thermostat. When used with the JG Underfloor Controls gateway and app, underfloor heating can be remotely controlled on the go. Features and benefits Mains-powered RF programmable thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Radio signalling to the RF wiring centre saves cost on cabling and eliminates damage and disruption caused by additional wiring Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    £108.49

  • John Guest Speedfit Under Floor Heating 240V Wired/Rf Programmable Stat - Black JGSTATRF4BL

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wired/Rf Programmable Stat - Black JGSTATRF4BL

    6 in stock

    Wireless RF programmable room thermostat for underfloor heating JG Underfloor Controls 240v wired and RF programmable thermostat is a stylish and simple way to control wet underfloor heating systems. The thermostat is mains-powered but communicates with the JG Underfloor Controls RF wiring centre via a radio signal to provide heat to an individual room and to remove the need for further wiring. Its user-friendly interface makes adjusting and programming temperatures fast and simple. Ideal for new builds and renovations, the back plate is fitted before decorating begins and the front plate is installed once work is completed to avoid any damage. Designed to suit a standard pattress box, the thermostat is also ideal when replacing an existing thermostat. When used with the JG Underfloor Controls gateway and app, underfloor heating can be remotely controlled on the go. Features and benefits Mains-powered RF programmable thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Radio signalling to the RF wiring centre saves cost on cabling and eliminates damage and disruption caused by additional wiring Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    6 in stock

    £108.49

  • John Guest Speedfit Under Floor Heating 240V Wired Programmable Stat - White JGSTAT4W

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wired Programmable Stat - White JGSTAT4W

    Wired programmable room thermostat for underfloor heating JG Underfloor Controls 240v wired programmable thermostat is a stylish and simple way to control wet underfloor heating systems. Easily mounted on the wall, the thermostat signals the JG Underfloor Controls wiring centre to provide heat to an individual room. Its user-friendly interface makes adjusting and programming temperatures fast and simple. Ideal for new builds and renovations, the back plate is fitted before decorating begins and the front plate is installed once work is completed to avoid any damage. Designed to suit a standard pattress box, the thermostat is also ideal when replacing an existing thermostat. The thermostat can be accessed remotely using the JG Underfloor Controls gateway and App, offering remote underfloor heating control on the go. Features and benefits Mains-wired thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    £79.49

  • John Guest Speedfit Under Floor Heating 240V Wired Programmable Stat - Black JGSTAT4BL

    John Guest Speedfit John Guest Speedfit Under Floor Heating 240V Wired Programmable Stat - Black JGSTAT4BL

    12 in stock

    Wired programmable room thermostat for underfloor heating JG Underfloor Controls 240v wired programmable thermostat is a stylish and simple way to control wet underfloor heating systems. Easily mounted on the wall, the thermostat signals the JG Underfloor Controls wiring centre to provide heat to an individual room. Its user-friendly interface makes adjusting and programming temperatures fast and simple. Ideal for new builds and renovations, the back plate is fitted before decorating begins and the front plate is installed once work is completed to avoid any damage. Designed to suit a standard pattress box, the thermostat is also ideal when replacing an existing thermostat. The thermostat can be accessed remotely using the JG Underfloor Controls gateway and App, offering remote underfloor heating control on the go. Features and benefits Mains-wired thermostat that is easy to install and set up 7-day programme, 15-minute increments and 6 on/off periods for optimal comfort and control Ambient temperature sensor with an optional connection for an external probe to protect against excessive heat Open Window function detects sudden temperature drops to prevent the boiler from firing up and wasting energy Adaptive function predicts heat up times and adjusts programming to eliminate temperature spikes Freeze Protection function reduces energy-wastage in unused rooms and is adjustable between 5-17°C Holiday function maintains low-level heating when the home is unoccupied Heating Boost function boosts heat for 1-9 hours in the event of low temperatures Anti-seize function prevents the UFH pump from seizing during low-usage months Free smart app for controlling underfloor heating on the go Compatible with Alexa or Google Home voice control Meets Boiler Plus requirements

    12 in stock

    £79.49

  • John Guest Speedfit Under Floor Heating Hot Water Timer - White JGTIME4W

    John Guest Speedfit John Guest Speedfit Under Floor Heating Hot Water Timer - White JGTIME4W

    Wired programmable hot water timer for pre-heating hot water and avoiding temperature drops JG Underfloor Controls 240v wired hot water timer is a stylish and simple way to control and set hot water programmes. Easily mounted, the timer communicates with the hot water valve wired directly to the JG Underfloor Controls heating wiring centre, providing hot water control on demand. Ideal for new builds and renovations, the back plate is fitted before decorating begins and the front plate is installed once work is completed to avoid any damage. Designed to suit a standard pattress box, the timer is also ideal when replacing an existing hot water timer. When used with the JG Underfloor Controls gateway and app, hot water can be remotely controlled on the go. Features and benefits Mains-wired hot water timer that is easy to install and set up 7-day programme, 15-minute increments and 4 on/off periods for optimal comfort and control Key lock function protects against vandalism and unwanted programme changes Hot Water Boost function boosts heat for 1-9 hours in the event of low temperatures Free smart app for controlling hot water on the go Compatible with Alexa or Google Home voice control

    £79.49

John Guest

Login

Forgot your password?

Don't have an account yet?
Create account