Description
The John Guest Stem Elbow 1/4" x 1/4" Push Fit is a high-quality 90-degree push-fit fitting designed for quick and secure connections in reverse osmosis (RO), drinking water, and water filtration systems. Featuring a 1/4" stem connection on one end and a 1/4" push-fit connection on the other, this fitting allows tubing to be routed around tight corners while maintaining excellent flow and a reliable, leak-free seal.
Manufactured from durable, food-grade acetal copolymer with EPDM O-ring seals, this John Guest fitting installs in seconds without tools, making it a trusted choice for both professional installers and DIY users.
Key Features
- 90° Elbow Design: Creates neat right-angle connections in confined spaces.
- 1/4" Stem x 1/4" Push-Fit Connection: Fits standard 1/4" OD tubing and compatible push-fit ports.
- Tool-Free Installation: Push-fit design requires no clamps, glue, or crimping tools.
- Food-Grade Construction: Made from durable acetal copolymer approved for potable water applications.
- Leak-Free EPDM O-Ring: Provides a secure and dependable seal.
- Reusable Design: Tubing can be disconnected and reused using the release collet.
- Corrosion Resistant: Ideal for long-term use in residential and commercial water systems.
Compatibility
The John Guest 1/4" Stem Elbow is compatible with:
- Reverse osmosis systems
- Under-sink drinking water systems
- Water filtration systems
- Refrigerator water lines
- Ice maker water lines
- Coffee and espresso machines
- Beverage dispensing equipment
- Water coolers
Compatible with:
- 1/4" OD polyethylene tubing
- 1/4" OD LLDPE tubing
- 1/4" push-fit ports
- John Guest and other compatible push-fit systems
Specifications
Product Type – Stem Elbow Push-Fit Fitting
Connection 1 – 1/4" Stem
Connection 2 – 1/4" Push-Fit
Angle – 90°
Body Material – Food-Grade Acetal Copolymer
Seal Material – EPDM O-Rings
Application – Potable Water & Water Filtration
Installation – Tool-Free Push-Fit
Applications
The John Guest Stem Elbow 1/4" x 1/4" is ideal for:
- Reverse osmosis installations
- Drinking water filtration systems
- Refrigerator water supply lines
- Ice maker installations
- Coffee machines
- Beverage dispensing equipment
- Under-sink water filtration
- Tight plumbing spaces requiring a 90° connection
Its compact design helps reduce stress on tubing while providing a clean, professional installation.
Maintenance
For best performance:
- Cut tubing square before installation.
- Push tubing fully into the fitting until it reaches the internal stop.
- Inspect fittings periodically for leaks or signs of wear.
- Replace the fitting if damaged or if sealing performance is compromised.
- Use only with tubing designed for push-fit fittings.
💡 John Guest push-fit fittings are engineered for repeated use, allowing tubing to be removed and reinstalled without damaging the fitting when the release collet is used correctly.
Why Choose John Guest Push-Fit Fittings?
John Guest fittings are trusted worldwide for their:
- Fast, tool-free installation
- Reliable leak-free performance
- High-quality food-grade materials
- Long-lasting durability
- Compatibility with a wide range of water filtration and reverse osmosis systems
The John Guest Stem Elbow 1/4" x 1/4" Push Fit is an excellent choice for creating dependable right-angle connections in residential and commercial drinking water applications.

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