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Shut-off valves and stopcocks for water filters

John Guest® shut-off valves offer a reliable solution for safely and precisely controlling water circuits or pipe connections. Whether it’s about fully opening or closing the flow – these valves are ideal for managing water systems flexibly. In addition, they are perfectly suited for use as valves on storage tanks or as faucets, making them an essential contribution to the efficiency and safety of water systems in a wide range of applications.

All John Guest® fittings used for VISION AQUA® water filters are specifically designed and certified for use in the food and drinking water industry as well as water treatment. The high-quality materials and precise manufacturing of the components ensure the highest level of safety and durability, especially in hygienically sensitive areas. This makes them safe to use in drinking water systems or other applications where cleanliness and safety are paramount.

Benefits of Shut-Off Valves in Water Treatment

Shut-off valves play a crucial role in the efficiency and control of water systems. They not only allow for easy regulation of water flow but also help extend the life of filters and other system components. With quick and uncomplicated shut-off functionality, maintenance work or filter changes can be carried out safely and cleanly without interrupting the entire water circuit. In modern water treatment systems, they are therefore indispensable elements that support smooth operation and the sustainable use of resources.

John Guest Eckventil-Adapter 3/8" auf 3/8" inkl. Absperrhahn und Rückschlagventil
Angle valve connection adapter for 3/8" thread to 3/8" tube OD with check valve and shut-off valve - John Guest
The angle valve connection adapters are specially designed for connection to angle valves. They enable the water connection of water filters, osmosis systems, coffee machines, soda water devices, water treatment systems etc. The appliance connection can be shut off separately - without interrupting the water flow for kitchen use. Maintenance work, filter change and appliance replacement can thus be carried out easily. An additionally integrated check valve prevents backflow into the water network according to DIN 1988.Properties:For drinking water applications and water treatment systemsFast, frequent loosening of the connection possibleVery good flow propertiesIntegrated check valveIntegrated shut-off valveThe product range is not suitable for compressed air, explosive gases, petroleum, or other liquids or in heating systems or similar applications.

€35.70*
John Guest Eckventil-Adapter 3/8" auf 1/4" inkl. Absperrhahn und Rückschlagventil
Angle valve Connection adapter - 3/8" thread to 1/4" tube OD with check valve and shut-off valve - John Guest
The angle valve connection adapters are specially designed for connection to angle valves. They enable the water connection of water filters, osmosis systems, coffee machines, soda water devices, water treatment systems etc. The appliance connection can be shut off separately - without interrupting the water flow for kitchen use. Maintenance work, filter change and appliance replacement can thus be carried out easily. An additionally integrated check valve prevents backflow into the water network according to DIN 1988.Properties:For drinking water applications and water treatment systemsFast, frequent loosening of the connection possibleVery good flow propertiesIntegrated check valveIntegrated shut-off valveThe product range is not suitable for compressed air, explosive gases, petroleum, or other liquids or in heating systems or similar applications.

€35.70*
Der Hahnanschluss Adapter mit Perlator und Rücklauf für Abwasser frontal
Tap connector adapter with aerator and return for wastewater - M22 inner thread to 1/4
The tap connection adapter with aerator and return for wastewater is used to retrofit a VISION AQUA® water filter to an existing water tap. Connections: Inlet: M22 inner thread Supply outlet: 1/4" tube crimp connection Return wastewater: 1/4" tube crimp connection Can be used with the following VISION AQUA® water filters:VA-Basic - travel water filter set, reverse osmosis water filterVA-Basic PLUS - Mobile water filterVanLife - water filters for campers and mobile homes

€16.00*
3/8" Winkelabsperrventil von John Guest für VISION AQUA Wasserfilter
Elbow shut-off valve - 3/8'' tube OD - John Guest
The elbow shut-off valves have been specially developed for connection to elbow valves. They enable the water connection of coffee machines, table water devices, water treatment systems, etc. The device connection can be shut off separately - without interrupting the water flow for kitchen use. Maintenance work, filter changes and device replacement can be carried out without any problems. An additionally integrated check valve prevents backflow into the water network according to DIN 1988/EN 1717.Properties:easy and fast installation "right first time"ideal for compressed air and liquidsmountable without toolsquick, multiple release of the connection possiblevery good flow propertiesintegrated cylinder for wall mounting screwsThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.

€15.91*
3/8" Absperrventil für Vorratsdruckbehälter
Shut-off valve - 3/8“ tube OD to 1/4“ inner thread NPTF USA - John Guest
Shut-off valves for fluid applications made of polypropylene (PP)John Guest shut-off valves are made of white polypropylene (PP) and are equipped with food-safe EPDM O-rings. They have been developed in accordance with the food guidelines for use with drinking water. If you use other drinkable liquids, please contact us.The shut-off valves are not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.Important note on using the JG shut-off valves and service valvesThe JG shut-off valves have been developed to enable the temporary maintenance of downstream components / assemblies. They may only be used in the "completely closed" or "completely open" settings.The shut-off valves must not be used as follows:as flow control (only partially open)as a permanent pipe end (here we recommend using our end caps.)only connected on one sideas a tap or faucet

€13.04*
Absperrventil 3/8" für die VISION AQUA Wasserfilter
Shut-off valve - 3/8“ tube OD - John Guest
Shut-off valves for fluid applications made of polypropylene (PP)John Guest shut-off valves are made of white polypropylene (PP) and are equipped with food-safe EPDM O-rings. They have been developed in accordance with the food guidelines for use with drinking water. If you use other drinkable liquids, please contact us.The shut-off valves are not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.Important note on using the JG shut-off valves and service valvesThe JG shut-off valves have been developed to enable the temporary maintenance of downstream components / assemblies. They may only be used in the "completely closed" or "completely open" settings.The shut-off valves must not be used as follows:as flow control (only partially open)as a permanent pipe end (here we recommend using our end caps.)only connected on one sideas a tap or faucet

€11.50*
Absperrventil von John Guest zum Aufschrauben mit Steckverbindung
Shut-off valve - 3/8“ tube OD to 3/8“ outer thread NPTF USA - John Guest
Shut-off valves for fluid applications made of polypropylene (PP)John Guest shut-off valves are made of white polypropylene (PP) and are equipped with food-safe EPDM O-rings. They have been developed in accordance with the food guidelines for use with drinking water. If you use other drinkable liquids, please contact us.The shut-off valves are not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.Important note on using the JG shut-off valves and service valvesThe JG shut-off valves have been developed to enable the temporary maintenance of downstream components / assemblies. They may only be used in the "completely closed" or "completely open" settings.The shut-off valves must not be used as follows:as flow control (only partially open)as a permanent pipe end (here we recommend using our end caps.)only connected on one sideas a tap or faucet

€11.50*
Gerades 1/4" Absperrventil von John Guest für die VISION AQUA Wasserfilter
Shut-off valve - 1/4“ tube OD - John Guest
Shut-off valves for fluid applications made of polypropylene (PP)John Guest shut-off valves are made of white polypropylene (PP) and are equipped with food-safe EPDM O-rings. They have been developed in accordance with the food guidelines for use with drinking water. If you use other drinkable liquids, please contact us.The shut-off valves are not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.Important note on using the JG shut-off valves and service valvesThe JG shut-off valves have been developed to enable the temporary maintenance of downstream components / assemblies. They may only be used in the "completely closed" or "completely open" settings.The shut-off valves must not be used as follows:as flow control (only partially open)as a permanent pipe end (here we recommend using our end caps.)only connected on one sideas a tap or faucet

€10.86*

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