Screw-in connector - 1/4“ tube OD to 1/4“ outer thread NPTF USA - John Guest

The PP series for imperial tube dimensions is made from white polypropylen (PP) plastic and is equipped with food-safe EPDM O-rings.The product range was developed for drinking water applications, water treatment systems etc.Properties:     for drinking water applications and water treatment systems     Polypropylene (PP)     mountable without tools     fast, repeated disconnection possible     very good flow propertiesThe product range is not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.

The John Guest Push-Fit Connector 3/8" Tube OD to 1/2" NPTF Male Thread provides a secure and durable connection for water filters, reverse osmosis systems, and a wide range of drinking water applications. Its easy push-fit design ensures a tight, leak-free seal and allows for quick installation without the need for special tools. Simply push in, tighten, and the connection is ready.Made from strong, food-grade acetal, this connector delivers excellent resistance to pressure and temperature variations. It’s an ideal choice for use in water filtration systems, aquariums, beverage dispensers, and refrigerators with water connections. Precision manufacturing guarantees a perfect fit and long-lasting reliability between tube and thread.Whether used as a replacement part or for building a new filtration system, this John Guest connector ensures consistent performance and ease of use. Its proven push-fit technology saves time during assembly while maintaining maximum safety for your drinking water.Customer Benefits at a Glance:Fast, tool-free installationDurable, food-grade materialIdeal for RO systems and water filtersReliable, leak-proof connectionPerfect as a replacement or for new setupsThe product range is not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.

The John Guest PP011223W male connector provides a secure and reliable connection between a 3/8" tube (OD) and a 3/8" internal thread. Designed for use in water filters, reverse osmosis systems, and beverage equipment, this fitting ensures a tight and leak-free seal. The push-fit technology allows for quick, tool-free installation – simply insert the tube for a firm and watertight connection.Made from durable, food-grade polypropylene, this connector offers excellent resistance to pressure, temperature, and corrosion. It’s ideal for applications where hygiene and water purity are critical. Thanks to its precision design, the PP011223W maintains a consistent seal, even with frequent use or system adjustments.Perfect for expanding or maintaining RO systems, water filtration setups, or beverage dispensers, this John Guest fitting serves as a dependable spare part or component for custom installations.Key Benefits:Quick, tool-free push-fit connectionConnects 3/8" tube to 3/8" female threadFood-grade, durable polypropylene constructionIdeal for water filters, RO systems, and beverage equipmentResistant to pressure and temperatureHygienic, long-lasting, and easy to cleanThe product range is not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.

The John Guest Push-Fit Connector 15 mm x 3/4" Male Thread (Part No. PM011516E) provides a dependable and durable solution for connecting tubing in water filters, reverse osmosis systems, and filtration equipment. Designed for precision and safety, it ensures a tight and reliable seal that supports long-lasting performance in both residential and commercial applications.Made from high-quality acetal material, this fitting delivers excellent resistance to pressure and temperature changes. It fits perfectly into home water filters, drinking water systems, and professional filtration setups. The quick-connect design allows for easy installation and removal without the need for tools, making maintenance and system upgrades straightforward and efficient.With this original John Guest fitting, users benefit from proven quality and reliability. The precisely machined threads and smooth push-fit connection ensure a leak-free performance, even under demanding conditions. It’s the perfect choice for anyone who wants to maintain or expand their water purification system with trusted components.Key Benefits:Connects 15 mm OD tubing to 3/4" female thread (BSPF)Fast, tool-free installationLeak-proof and long-lasting performanceFood-grade and safe for drinking water systemsIdeal for water filters, reverse osmosis units, and spare partsGenuine John Guest qualityThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.