The Uponor Q4775050 is a 1/2" ProPEX EP (Engineered Polymer) Coupling, designed for connecting two 1/2" PEX-a pipes using Uponor’s expansion fitting system. Manufactured from high-strength, corrosion-resistant engineered polymer, this coupling is ideal for both potable water distribution and hydronic heating applications.Engineered for fast and permanent connections without the use of glues, solder, or crimp tools, this coupling integrates seamlessly with Uponor’s ProPEX system using ASTM F1960 expansion methods.Key Features:

• Connection Type: ProPEX x ProPEX (ASTM F1960)
• Tubing Size: 1/2" nominal PEX-a
• Material: Engineered Polymer (EP)
• Application: Potable water and hydronic heating systems
• Pressure Rating: 200 PSI at 73.4°F
• Temperature Rating: 200°F maximum operating temperature
• Chlorine Resistance: Rated for long-term exposure to potable water disinfectants
• Installation Method: Requires ProPEX expansion tool – no torches, glues, or clamps
• Code Compliance:
  • ASTM F1960
  • NSF 14/61 certified for potable water use
  • Lead-free (NSF/ANSI 372)
  • CSA B137.5 compliant

Benefits:

• Quick and secure connection with Uponor ProPEX tools
• Resistant to corrosion, scaling, and chemical degradation
• Lightweight, compact design for use in confined spaces
• Backed by Uponor’s 25-year limited warranty (when installed by a certified pro)

This coupling delivers high performance and reliability in both new construction and retrofit installations.
Available now at Beenimax.