John Guest - Polypropylene Stackable Tee Quick Connect Fitting - White

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line-height: 1.6 !important; } .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; } .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; } .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; } .ro-wrap .ro-label, .ro-wrap .stage-tag, .ro-wrap .sc-label { font-size: 14px !important; } .ro-wrap .ro-title { font-size: 24px !important; } .ro-wrap .interval { font-size: 22px !important; } .ro-wrap .stage-num { font-size: 16px !important; } .ro-wrap .ro-eyebrow { font-size: 14px !important; } .ro-wrap .ro-badge { font-size: 15px !important; } John Guest Speedfit Polypropylene Stackable Tee Quick Connect Fitting UK-engineered push-to-connect fitting with integrated stem for modular inline connections ✓ Food-grade polypropylene construction ✓ Grip-and-seal collet design ✓ Tool-free installation and removal ✓ Two OD ports plus direct-insert stem The John Guest Stackable Tee combines the reliability of push-to-connect fittings with a unique stem design that inserts directly into another quick connect fitting, eliminating the need for additional couplers in branched plumbing runs. Manufactured in the UK from food-grade polypropylene with nitrile O-rings, this fitting handles potable water, air, CO2, and inert gases across residential and commercial applications. Two sides accept standard OD tubing while the third side functions as an insertable stem for true stackable modularity. KEY FEATURES Engineered for Speed and Reliability 🔧 Grip-Then-Seal Collet John Guest's proven collet mechanism grips the tubing first, then seals with a food-grade nitrile O-ring for leak-free connections without tools or thread tape 🔗 Stackable Stem Design One port features an integrated stem that inserts directly into another quick connect fitting, enabling compact branched layouts without extra adapters 🍽️ Food-Grade Materials Polypropylene body with nitrile O-ring meets food safety standards for potable water, beverage lines, and foodstuff handling applications ♻️ Removable and Reusable Unlock the nut, push the collet toward the body, and pull the tube free—reinstall as many times as needed without damaging the fitting 🌡️ Multi-Application Range Suitable for potable water, air, CO2, pneumatic systems, and vacuum—polypropylene offers good chemical resistance and moderate heat tolerance 🇬🇧 UK Manufacturing Designed, manufactured, and assembled in the United Kingdom by John Guest Speedfit to consistent quality standards COMPATIBILITY & APPLICATIONS Where This Fitting Works The John Guest Polypropylene Stackable Tee is compatible with all John Guest push-fit tubing in matching OD sizes. Use it to branch water filtration systems, reverse osmosis lines, ice maker feeds, refrigerator connections, CO2 beverage systems, pneumatic air lines, and vacuum applications. The stackable stem port simplifies inline tee installations where space is limited or multiple branches converge. Suitable for RO systems, water filters, under-sink plumbing, beverage dispensing, and pneumatic control lines. Verify tubing OD matches the fitting size before installation. John Guest Speedfit fittings are trusted across residential, commercial, and industrial water treatment installations for their tool-free reliability and British engineering heritage. Show more