Union Connector, 1/4″ x 1/4″ (John Guest)

Description

The John Guest Union Connector 1/4" x 1/4" is a premium push-fit fitting designed to securely connect two lengths of 1/4" OD tubing in reverse osmosis systems, drinking water filters, refrigerator water lines, ice makers, and beverage dispensing equipment. Featuring John Guest's trusted push-fit technology, this fitting provides a fast, leak-resistant connection without the need for tools, clamps, or adhesives.

Manufactured from durable, food-grade acetal copolymer, this reusable connector is ideal for new installations, tubing extensions, and quick repairs in residential and commercial water treatment systems.

Key Features

• 1/4" Push-Fit Connections: Connects two pieces of standard 1/4" OD tubing.
• Tool-Free Installation: Push-fit design installs in seconds without glue, soldering, or clamps.
• Leak-Resistant Seal: High-quality EPDM O-rings provide a reliable, watertight connection.
• Food-Grade Materials: Safe for potable drinking water applications.
• Reusable Design: Tubing can be removed and reconnected using the release collet.
• Compact and Durable: Built for long-lasting performance in residential and commercial systems.
• Corrosion Resistant: Will not rust or corrode in normal water applications.

Compatibility

The John Guest Union Connector 1/4" x 1/4" is compatible with:

• Reverse osmosis systems
• Under-sink drinking water filters
• Refrigerator water lines
• Ice maker water supply lines
• Water coolers
• Coffee and espresso machines
• Beverage dispensing systems

Compatible with:

• 1/4" OD polyethylene tubing
• 1/4" OD LLDPE tubing
• John Guest and other compatible push-fit tubing systems

Specifications

Product Type – Push-Fit Union Connector

Brand – John Guest

Connection Size – 1/4" OD x 1/4" OD

Fitting Type – Straight Union

Body Material – Food-Grade Acetal Copolymer

Seal Material – EPDM O-Rings

Installation – Push-Fit

Application – Potable Water Systems

Applications

The John Guest Union Connector 1/4" x 1/4" is ideal for:

• Reverse osmosis installations
• Drinking water filtration systems
• Refrigerator and ice maker water lines
• Water cooler repairs
• Coffee machine water connections
• Beverage dispensing equipment
• Tubing repairs and extensions

Whether you're repairing damaged tubing or extending an existing water line, this connector provides a secure and dependable solution.

Installation Instructions

1. Cut both tubing ends square using a tubing cutter.
2. Ensure the tubing is clean and free of burrs.
3. Push each tubing end firmly into the fitting until it reaches the internal stop.
4. Pull gently to verify the connection is secure.
5. Pressurize the system and inspect for leaks.

💡 For the best seal, always use undamaged 1/4" OD tubing and ensure it is fully inserted into the fitting.

Maintenance

For long-lasting performance:

• Inspect fittings periodically for leaks or wear.
• Keep tubing clean and properly supported.
• Replace the fitting if it becomes damaged or no longer seals properly.
• Disconnect tubing only by pressing the release collet to avoid damaging the fitting.

Why Choose John Guest Push-Fit Fittings?

John Guest push-fit fittings are trusted by plumbing professionals and water treatment specialists worldwide for their reliability, ease of installation, and exceptional performance. The 1/4" x 1/4" Union Connector offers a simple, durable solution for joining water lines in a wide range of potable water applications.