Parker PPB6EU6-MG Push-to-connect Union 3/8 Inch Od

Product Description

The PARKER PPB6EU6-MG is a push-to-connect union tube fitting designed to join two tubes in a straight-through configuration without tools or threaded connections. Constructed from polypropylene, this fitting accepts 3/8 inch OD tubing on both ends and is rated for up to 150 psi working pressure. Its push-to-connect design allows for fast, repeatable connections in fluid handling, pneumatic, and low-pressure plumbing applications. The black polypropylene body resists common chemicals and corrosion, making it suitable for use in environments where metal fittings would degrade. HVAC technicians, plumbers, and process equipment installers commonly use fittings of this type where quick assembly and serviceability are priorities.

This fitting is suited for tube-to-tube inline connections in residential and light commercial systems. Typical applications include condensate drain lines, low-pressure fluid transfer lines, pneumatic control tubing, and similar installations where polypropylene's chemical resistance and lightweight construction are advantageous. The 3/8 inch OD sizing is common in HVAC secondary drain and tubing assemblies as well as pool and spa equipment plumbing runs.

Key Features

• Push-to-connect design allows tool-free tube insertion and secure locking without threading or solvent welding
• Accepts 3/8 inch OD tubing on both ends for straight inline union connections
• Rated to 150 psi working pressure
• Polypropylene construction provides chemical resistance and corrosion immunity
• Black color body for identification and UV-resistance compatibility
• Compact profile at approximately 1.02 inches height and length, 0.8 inches width

Compatibility

Designed for use with 3/8 inch OD tubing in push-to-connect tube fitting systems. Suitable for polypropylene-compatible fluid and pneumatic lines rated within the 150 psi pressure limit of this fitting.

Installation Notes

Installation should be performed by a qualified plumber, HVAC technician, or pipefitter following applicable local codes. Before servicing or replacing any fitting, depressurize the system completely and verify the line is free of fluid. Ensure tubing ends are cut cleanly and squarely with a tube cutter for a proper seal; do not use saw-cut or burred tube ends. Verify the tubing OD matches the fitting size exactly, as push-to-connect fittings rely on precise dimensional fit to achieve a leak-free connection.