Watts 3515r-1004 Pex Quick Connect Tube Reducing Union, 1/2 X 1/4 In.

The Watts 3515R-1004 is a push-fit tube reducing union that simplifies plumbing connections by eliminating the need for specialized tools, flare fittings, or soldering. This versatile fitting works with copper, CPVC, PEX, LPDE, MPDE, HDPE, and polybutylene tubing in both hot and cold water applications, making it ideal for new installations, repair projects, and system modifications where multiple pipe materials meet.

Quick-connect technology reduces installation time and labor costs on service calls while delivering reliable, leak-free connections. The fitting's reusable design and approval for behind-wall and underground burial installations make it a practical choice for demanding plumbing scenarios. Simply cut the pipe, push the tubing into the fitting until it seats at the stop, and the connection is complete—no tools required. Disconnection is equally simple: pull back the release ring and remove the pipe.

Features and Benefits

• Tool-Free Installation: Push-fit design eliminates the need for soldering, flaring, or special tools, saving time and reducing installation complexity.
• Multiple Material Compatibility: Works seamlessly with copper, CPVC, PEX, LPDE, MPDE, HDPE, and polybutylene tubing without special inserts or adapters.
• Stainless Steel Gripping Teeth: Integrated collets provide secure, consistent connections across different pipe materials with an exclusive O-ring guide for zero-leak performance.
• Reusable and Reorientable: The fitting can be disconnected and reconnected multiple times, and tubing orientation can be adjusted with a simple twist to optimize plumbing layouts.
• Pressure Rated at 250 psi: Handles high-pressure water applications.

Specifications

• Brand: Watts
• Model: 3515R-1004
• Size: 1/2 in. CTS x 1/4 in. OD
• Material: Plastic with stainless steel collets
• Pressure Rating: 250 psi
• Approved for: Behind walls and underground burial
• Reusable: Yes