1/2 inch Copper PEX Adapter, Male Sweat x PEX
1042 Available At All US Supply Locations

1/2 Inch Copper PEX Adapter – Male Sweat x PEX Insert Connection
The 1/2 inch copper PEX adapter is engineered to transition from a copper tube (via solder joint) to PEX tubing using a barbed insert connection. This fitting is commonly specified in potable water systems and hydronic distribution loops where cross-material transitions are required. It supports integration of PEX distribution lines with copper manifolds, risers, or branch circuits.
Construction and Material Standards
Manufactured from lead-free copper and brass components, this adapter conforms to current U.S. regulations for potable water applications. It is designed to perform under typical system pressures and temperature variations associated with residential and commercial plumbing systems:
- ✅ Lead-Free Compliance Meets NSF/ANSI 61 and 372 standards for safe use in potable water distribution.
- ✅ Secure Barbed End Compatible with ASTM F1807 crimp or clamp ring systems for PEX tubing.
- ✅ Sweat Connection Male tube end accepts soldered connections with Type L or M copper pipe per ASME B16.22.
- ✅ Temperature/Pressure Performance Suitable for systems operating up to 200°F and 160 PSI (depending on PEX tubing ratings).
Installation Requirements
Proper preparation of both connection ends is critical for performance. Clean and flux the copper tube prior to soldering, ensuring no contact with the barbed portion. After soldering, allow the fitting to cool fully before inserting the PEX tubing. Secure with a copper crimp ring or stainless steel clamp using an appropriate tool approved for ASTM F1807 or F2098 systems.
Common Applications
This adapter is typically used in transitions from copper to PEX where space, flame restriction, or material availability dictates hybrid system design. Common installations include fixture stub-outs, water heater connections, and mixing valve assemblies.
Technical Specifications
- Material: Lead-Free Copper (sweat end), Lead-Free Brass (insert end)
- Nominal Size: 1/2 inch x 1/2 inch
- Connection Type: Male Sweat x PEX Insert
- Certifications: NSF/ANSI 61 & 372, ASTM F1807 compatible
The 1/2 inch Copper PEX Adapter Male Sweat x PEX offers a dependable solution for combining copper and PEX in a single system. Specify this fitting where soldered copper transitions to flexible distribution lines are required without compromising on code compliance or material integrity.
Specifications
| Weight | 0.020000 |
|---|---|
| Brand | Non-Specified Brand |
| ADA Compliance | No |
| Length (inches) | 0.55 |
| Width (inches) | 0.55 |
| Height (inches) | 1.4 |
| End Style | Male Sweat x PEX |
| Side A | 1/2" |
| Side B | 1/2" |
| Fitting Type | Adapters |
| Item Type | Fittings |
| Manufacturer | Non Specified Manufacturer |
| MPN | 643X2 |
| Material | Copper |
| Product Family | Fittings |
| Item Returns | This item can be returned |
