Pro-source 2555804465PRO Push-to-connect Tube Fitting 5-pack

Product Description

The PRO-SOURCE 2555804465PRO is a push-to-connect tube-to-tube fitting designed for fast, tool-free connections in compressed air and water plumbing systems. Constructed from nickel-plated brass, this fitting delivers a pressure rating of 250 psi and uses a Buna-N O-ring for a reliable, leak-resistant seal. The push-to-connect mechanism allows technicians to make quick inline tube joints without threading, soldering, or compression ferrules. Sold in a pack of 5, it suits maintenance, repair, and new-installation work in light industrial, commercial, and mechanical service environments. Plumbers, pipefitters, and HVAC technicians routinely specify this fitting type for pneumatic controls and fluid-handling lines.

This fitting is suited for tube-to-tube inline connections where compressed air or water is the working medium. The 4.00 mm outside diameter tube size targets small-bore pneumatic control lines and instrument tubing commonly found in HVAC controls, compressed air distribution, and light fluid-transfer assemblies. Its nickel-plated brass construction resists corrosion in typical indoor mechanical room and equipment-panel environments. The 5-piece package quantity supports stocking for service vans, maintenance kits, and small project runs without overbuying.

Key Features

• Push-to-connect design allows tool-free tube insertion and removal
• Nickel-plated brass body rated to 250 psi working pressure
• Buna-N O-ring provides a reliable seal compatible with compressed air and water service
• Tube outside diameter: 4.00 mm for small-bore pneumatic and instrument lines
• Sold as a 5-piece pack for efficient stocking and service use

Compatibility

Designed for use with compressed air and water systems requiring tube-to-tube push-to-connect inline fittings with a 4.00 mm outside diameter tube size.

Installation Notes

Depressurize and isolate the line completely before removing or installing push-to-connect fittings. Cut tubing squarely and deburr the outside diameter before insertion to ensure the O-ring seats properly and prevents leaks. Plumbers, pipefitters, and HVAC technicians should verify that the tubing outside diameter and material are compatible with this fitting before installation. Follow applicable local plumbing codes and compressed air system standards when integrating into a pressurized circuit.