Pro-source 2558504465PRO Push-to-connect Tube Fitting 5 Pack

Product Description

The PRO-SOURCE 2558504465PRO is a push-to-connect tube-to-tube fitting designed for fast, tool-free connections in fluid and air distribution systems. Constructed from nickel-plated brass, it handles working pressures up to 250 psi and is rated for use with compressed air and water. The fitting accepts tubing with a 4.00 mm outside diameter and uses a Buna-N O-ring for a reliable, leak-resistant seal. Each package contains 5 fittings. Plumbers, HVAC technicians, and industrial maintenance professionals install these fittings where quick-disconnect capability and corrosion resistance are priorities.

This fitting is suited for residential and light commercial compressed air lines and water distribution tubing applications. The push-to-connect design allows tubing to be seated and locked without threading, soldering, or crimping, making it a practical choice for tight spaces and high-cycle maintenance environments. It is appropriate for use wherever 4.00 mm OD tubing is routed for compressed air or water service.

Key Features

• Push-to-connect design allows tool-free tube insertion and release
• Nickel-plated brass construction resists corrosion in air and water service
• Rated to 250 psi working pressure
• Buna-N O-ring provides a reliable, leak-resistant seal
• Compatible with 4.00 mm outside diameter tubing
• Sold in a package of 5 fittings

Compatibility

Designed for use with 4.00 mm outside diameter tubing in compressed air and water systems.

Installation Notes

Installation is performed by plumbers, HVAC technicians, or qualified maintenance personnel. Before servicing any line, depressurize the system completely and shut off the water or air supply upstream of the work area. Ensure tubing ends are cut cleanly and squarely to achieve a proper seal on insertion. Verify that tubing outside diameter and material are compatible with this fitting before use.