Product Description

The SMARTLOCK UNRD3458 is a union reducer designed for connecting copper or aluminum tubes of different sizes without the need for welding or brazing. This fitting incorporates advanced metal-to-metal sealing technology, ensuring a secure and leak-free connection. The UNRD3458 is compatible with all available refrigerants, simplifying the installation process as it requires only a standard wrench and no special tools.

• Connects larger sized copper or aluminum tubes to smaller sized tubes without welding or brazing.
• Innovative sealing technology guarantees a leak-free connection.
• Compatible with all refrigerants and features an over-torque prevention design.

Product Highlights

This fitting is ideal for Air Conditioning, Heat Pump, and Refrigeration line applications.

Product Information

Standard Information

• Brand: SMARTLOCK
• MPN: UNRD3458

Technical Specifications

• Color: Red
• Material: Aluminum alloy
• Nominal Size: 3/4 x 5/8 in
• End Style: Union
• Fitting / Connector Type: Reducing Coupling
• Burst Pressure Range: 5100 psi
• Pressure Rating: 1000 psi
• Temperature Rating: -40 to 302 degF
• Larger Tube Union Nut Size: 32 mm
• Smaller Tube Union Nut Size: 27 mm