Fixed Elbow, 1/4″ Thread x 1/4″ Push Fit (John Guest)

Description

The Fixed Elbow, 1/4" Thread x 1/4" Push Fit (John Guest) is a precision-engineered 90° push-to-connect fitting designed to connect 1/4" OD tubing to a 1/4" threaded port. Commonly used in reverse osmosis systems, water filters, and beverage equipment, this fitting provides a fast, secure, and leak-free connection without tools.

Built with John Guest’s trusted push-fit technology, it’s ideal for both professional installations and DIY water system setups.

Key Features

• Push-Fit Connection: Quick installation—simply push tubing in for a secure seal
• 90° Elbow Design: Ideal for tight spaces and directional changes
• 1/4" Tube x 1/4" Thread: Standard sizing for RO and filtration systems
• Leak-Free Seal: EPDM O-ring ensures reliable, long-term performance
• Lead-Free & Food Grade: Safe for potable water applications (NSF certified)
• Durable Construction: Typically polypropylene or acetal for strength and longevity
• Reusable Design: Tubing can be disconnected and reused without damage

Compatibility

This John Guest 1/4" elbow fitting is compatible with:

• Reverse osmosis systems
• Under-sink drinking water systems
• Ice makers and refrigerators
• Coffee machines and beverage systems
• Any setup using 1/4" OD tubing

Works with:

• Polyethylene (PE) tubing
• PEX tubing
• Nylon or soft copper tubing

Specifications

• Product Type: Fixed elbow (90° push-fit x threaded)
• Tube Size: 1/4" OD
• Thread Type: Typically 1/4" NPT male
• Material: Polypropylene or acetal body
• Seal Material: EPDM O-ring
• Max Pressure: ~150 PSI @ 70°F
• Max Temperature: ~140°F (60°C)
• Certifications: NSF 51 & NSF 61

Applications

The 1/4" Thread x 1/4" Push Fit Elbow is ideal for:

• Connecting tubing to RO membranes or housings
• Installing water filtration systems
• Tight under-sink installations
• Ice maker and fridge water line connections
• Beverage and coffee equipment

It is commonly used to transition from threaded ports (valves, housings, manifolds) to tubing lines.

Maintenance & Installation Tips

• Cut tubing clean and square before insertion
• Push tubing fully into the fitting for a proper seal
• Use PTFE (Teflon) tape on threaded connections
• Avoid overtightening into plastic ports
• To remove tubing, press the collet and pull out the tube

💡 These fittings are widely trusted because they provide fast installation, reliability, and long-term leak-free performance in water treatment systems.