The Uponor Q4771307 ProPEX EP Coupling is a durable engineered polymer fitting designed to connect 1-1/4" and 3/4" PEX-a or hePEX plus tubing in residential or commercial plumbing and radiant heating systems. Utilizing the ProPEX expansion method, it ensures a secure, leak-resistant connection without the use of solder, glue, or clamps.Key Specifications:
- Size: 1-1/4" x 3/4"
- Material: Engineered Polymer (EP)
- Connection Type: ProPEX expansion (both ends)
- Tubing Compatibility: PEX-a and hePEX plus
- Application: Hot/cold potable water systems and radiant heating/cooling
- Standards Compliance: CAN/CSA B137.5, ASTM F877, ASTM F1960
- Maximum Operating Temperature: 210°F
- Maximum Temperature Tolerance: Up to 320°F
- Dimensions: Length 2.625", Width 1.75"
- Warranty: 25-Year Limited Warranty

