Check valve - 1/4“ tube OD - John Guest

The 3/8" check valve from John Guest provides dependable protection against backflow in larger water filter systems and reverse osmosis units. It has been designed for applications that require higher flow rates, ensuring consistent performance and safety even in demanding environments.Thanks to proven John Guest craftsmanship, this check valve is robust and highly durable. Installation is simple and can be completed in just a few steps, adding a vital component to your filtration system for smooth operation.If you’re looking to upgrade your reverse osmosis system or water filtration unit with a reliable John Guest spare part, the 3/8" check valve is an excellent choice. It safeguards your system and ensures a steady supply of high-quality water at all times.Key Benefits:3/8" size for higher flow capacityEffective protection against water backflowRobust construction in trusted John Guest qualityQuick and easy installationExtends the lifespan of your reverse osmosis and filtration systemsThe product range is not suitable for use in the compressed air and vacuum sector.

The ASV9 angle valve adapter from John Guest is the perfect solution for connecting water filters, reverse osmosis systems and other appliances directly to your cold water supply. With its precise 3/8" thread and 1/4" tube connection, it offers the standard size for most water filter systems, ensuring maximum compatibility.The built-in check valve reliably prevents backflow into the water line, while the integrated shut-off valve makes it easy to stop the water flow whenever maintenance or filter replacement is required. This ensures safety and convenience for your water filter or reverse osmosis system.Made from durable brass and high-quality plastic, the ASV9 provides a secure and long-lasting connection. With this John Guest spare part, you get proven quality and reliable performance for your water installation.Benefits at a glance:Standard 1/4" size for reverse osmosis systems and water filtersIntegrated check valve for safe operationConvenient shut-off valve for easy maintenanceHigh-quality materials for long-lasting useSuitable for coffee machines, water dispensers and water treatmentThe product range is not suitable for compressed air, explosive gases, petroleum, or other liquids or in heating systems or similar applications.

The ASV7 angle valve adapter from John Guest is the ideal choice when you need to connect a 3/8" plastic tube to your water filter or reverse osmosis system. It is mounted directly onto the cold water angle valve under the sink, creating a stable and secure connection.Equipped with an integrated check valve, the adapter protects your water installation against backflow. The built-in shut-off valve allows for easy water supply interruption, making filter changes and maintenance particularly convenient. A practical and reliable spare part for various kitchen and water treatment applications.Thanks to robust brass connections and premium plastic components, the ASV7 guarantees long-lasting performance and a reliable seal. John Guest stands for quality you can trust in every installation.Benefits at a glance:Compatible with 3/8" plastic tubingCheck valve for backflow protectionShut-off valve for convenient maintenanceStrong brass and plastic constructionSuitable for filter systems and water installationsThe product range is not suitable for compressed air, explosive gases, petroleum, or other liquids or in heating systems or similar applications.