1" Copper Manifold Adapter

The Uponor A4133210 Fitting Assembly is a precision-engineered brass adapter designed for professional hydronic, plumbing, and mechanical system installations. This R32 x 1-inch copper fitting provides a reliable compression connection between Uponor PEX systems and copper tubing. Constructed from high-quality brass, the fitting ensures durability, corrosion resistance, and consistent sealing performance under demanding pressure and temperature conditions.

Details

• Model Number: A4133210
• Manufacturer: Uponor
• Product Type: Compression Fitting Adapter
• Part Number: 120953
• Connection Size: R32 x 1 inch nominal
• Connection Type: Compression
• Material: Brass
• Length: 1.98 inch
• Outside Diameter (OD): 1.75 inch
• Pressure Rating: 125 PSI
• Temperature Rating: 220 °F (maximum)
• Application: Connection of PEX to copper tubing in hydronic heating, plumbing, and mechanical piping systems
• Compatibility: Designed for use with Uponor PEX and copper systems meeting ASTM and CSA standards
• Compliance: Conforms to applicable industry standards for compression and mechanical joint fittings

Professional Specifications

The Uponor A4133210 fitting is manufactured from lead-free brass alloy for superior corrosion resistance and mechanical strength. Its compression design provides a leak-free joint without soldering or special tools, enabling efficient installation in confined spaces and retrofit applications. The fitting maintains dimensional integrity at operating pressures up to 125 PSI and temperatures up to 220 °F, making it suitable for hot and cold water distribution and hydronic heating systems. Precision-machined surfaces ensure consistent sealing and alignment with copper tubing, while meeting Uponor system performance and reliability requirements.

Summary

The Uponor A4133210 R32 x 1 inch Brass Compression Fitting provides a durable, code-compliant connection between PEX and copper systems. Its high-pressure rating, thermal tolerance, and precision-machined construction ensure reliable, leak-free performance in professional hydronic and plumbing installations.