3/8 inch x 1/2 inch PEX Brass Insert Adapter Crimp x Male

Viega 46302 Brass PEX Adapter – 3/8 inch PEX x 1/2 inch Male Copper

The Viega 46302 Brass PEX Adapter is a transition fitting used for connecting 3/8 inch PEX tubing to a 1/2 inch nominal copper fitting or female-threaded outlet. Engineered from lead-free brass, this component is compliant with potable water requirements and designed for use in pressurized plumbing systems.

This fitting incorporates a crimp-style PEX barb connection and a male sweat outlet, ensuring a secure mechanical seal when properly installed. It meets ASTM F1807 specifications and is certified for use in residential and commercial applications.

Advantages of the Viega 46302 Adapter

• ✅ Lead-Free Brass – Complies with Safe Drinking Water Act (SDWA) and NSF/ANSI 61-G for potable water systems.
• ✅ Crimp PEX Connection – Compatible with ASTM F1807 crimp rings and F2159 clamp systems.
• ✅ Transition Capabilities – Facilitates connection between 3/8 inch PEX and 1/2 inch copper sweat systems in retrofit or hybrid applications.
• ✅ Code Compliant – Listed and certified to NSF 14/61, CSA B137.5, and ANSI/NSF 372 standards.

Technical Specifications

• Manufacturer: Viega
• Part Number: 46302
• Connection: 3/8 inch PEX Barb x 1/2 inch Male Copper (C x MPT)
• Material: Lead-Free Brass (LF 877 Alloy)
• Standards: ASTM F1807, NSF/ANSI 14, NSF/ANSI 61, NSF/ANSI 372

Typical Applications

The 46302 adapter is commonly used in domestic water supply systems where cross-material connections are required, including hybrid installations involving PEX-to-copper transitions. It is suitable for hot and cold water lines, manifold branch lines, or fixture stub-outs requiring a male sweat interface.

Did You Know?

Lead-free brass fittings like this one are now mandated for use in potable water systems across all U.S. states to comply with the Reduction of Lead in Drinking Water Act, effective since 2014.

The Viega 46302 Brass PEX Adapter provides the mechanical reliability and corrosion resistance professionals require in every installation. When accuracy and code compliance matter, this fitting offers a dependable solution for integrated system performance.