Watts 5/16 in. OD Push Fit Union Coupling

The Watts 5/16 in. OD Push Fit Union Coupling provides a fast and reliable connection for plumbing systems without requiring special tools or tube inserts. Constructed from high-performance polysulfone thermoplastic, this fitting is engineered for durability and dependable performance across multiple piping materials. Designed for versatile plumbing applications, this quick-connect union is suitable for use on copper, PEX, CPVC, and polybutylene pipe. It meets national plumbing codes and standards, offering a secure, leak-free connection for water supply and fluid handling systems.