AquaLock 3515-14 Push-to-Connect Plastic Coupling 3/4 Inch CTS

The AquaLock 3515-14 is a high-performance 3/4 inch CTS (Copper Tube Size) push-to-connect plastic coupling designed for fast, tool-free installation on multiple pipe types. Manufactured by Watts, this coupling provides a secure, zero-leak connection for both hot and cold water plumbing applications.

Key Features:

• Compatible with copper, CPVC, PEX, LDPE, MDPE, HDPE, PE-RT, and polybutylene tubing
• Push-to-connect design requires no tools, tube inserts, or thread sealant
• Patented O-ring guide ensures zero-leak connection
• Stainless steel gripping teeth in collets for secure, corrosion-resistant hold
• Constructed from polysulfone, a high-performance thermoplastic material
• Rotates under pressure, ideal for vibrating and dynamic applications
• No flow restriction - joins tubing on the outside to maximize water flow
• Reusable fitting suitable for behind-the-wall installations
• Backed by 25-year limited warranty

This coupling meets FDA, ANSI/NSF-61, NSF-14, CSA B1375, ASTM F877, NSF-UP, and IAPMO ASSE 1061-2006 approvals. Perfect for marine, RV, and residential plumbing repairs and installations where quick, reliable connections are essential.