Parker PPB4RD6-MG Push-to-connect Tube End Reducer 1/4 in

Product Description

The PARKER PPB4RD6-MG is a push-to-connect tube end reducer fitting designed to join or transition tubing in fluid and pneumatic systems. Made from polypropylene, this fitting accepts tube insertion without tools, creating a secure, leak-resistant connection at working pressures up to 150 psi. The push-to-connect design allows fast, repeatable connections during installation or service work. It is suited for plumbing, HVAC, and industrial fluid-handling applications where a compact, lightweight plastic fitting is appropriate. With a 1/4 inch stem OD configuration, it handles tube-end reduction tasks in tight spaces where metallic fittings may not be preferred.

This fitting is used in residential and light commercial systems where tubing connections require a quick, tool-free assembly. Typical applications include condensate drain lines, water treatment plumbing, pneumatic control tubing, and similar low-to-medium pressure fluid circuits. Its polypropylene construction resists corrosion and many common chemicals, making it appropriate for both wet and dry service environments. The compact body dimensions make it a practical choice in panel installations or equipment enclosures where space is limited.

Key Features

• Push-to-connect design allows tool-free tube insertion and fast field assembly
• Polypropylene body provides corrosion resistance and chemical compatibility in wet service
• Rated to 150 psi working pressure
• Compact profile at 1.62 inches height and 1.62 inches length with 0.66 inch width
• Lightweight construction at approximately 0.018 pounds
• Single-piece unit packaged individually for precise procurement

Compatibility

Designed as an OEM-style push-to-connect replacement fitting for systems using 1/4 inch OD tubing in low-to-medium pressure fluid or pneumatic circuits.

Installation Notes

This fitting is typically installed by plumbers, HVAC technicians, or industrial maintenance professionals. Before installation, depressurize and isolate the system and verify that tubing ends are cut cleanly and squarely without burrs. Insert tubing fully until it seats against the internal stop to ensure a proper seal. Consult applicable codes such as IPC or local mechanical codes for approved fitting materials in potable water or refrigerant-adjacent applications.