.Ideal for vibrating and dynamic applications, the Watts AquaLock Series offers exceptional versatility and reliability. Compatible with copper, CPVC, PEX (LDPE, MDPE, HDPE), and CTS rated pipe, these fittings ensure a secure connection that enhances the flow capacity by joining the tubing on the outside, which not only maximizes water flow but also allows the fittings to rotate under pressure, providing high flexibility during installation. Approvals of this fitting include FDA, ANSI/NSF-61, NSF-14, CSA B1375, ASTM F877, NSF-UP, and IAPMO ASSE 1061-2006.
Constructed from polysulfone, a high-performance thermal plastic material, the Watts AquaLock Plastic Series fittings promise a long service life, delivering many years of trouble-free performance. They also feature a unique O-ring guide, which ensures a zero-leak connection, making them perfect for DIY pipe repairs.
Easy to install and handle, the AquaLock Series utilize a swivel nut with NPS straight threads and a cone seal, allowing for a straightforward installation process. This design enables the installer to thread onto NPT, NPS, BSP, and most other threads without the need for additional tools, tube inserts, or thread sealant. Simply thread on and hand tighten for a reliable connection.
Watts AquaLock fittings are suitable for both hot and cold water applications, including behind-the-wall installations. These durable, reusable fittings are available in a wide range of configurations and sizes to suit your needs. This particular model is a female adapter with a size of 1/2" CTS (Copper Tube Size) x 3/4" FGHT (Female Garden Hose Thread).
.AQUALOCK SERIES FITTING: Ideal for vibrating and dynamic applications, the AquaLock Series works with copper, CPVC, PEX (LDPE, MDPE, HDPE), and CTS rated pipe. Unlike barb fittings, this fitting joins the tubing on the outside, increasing the flow capacity, and rotates under pressure for high flexibility during installation.
.DURABLE DESIGN: The Watts AquaLock Plastic Series is designed and manufactured in polysulfone – a high-performance thermal plastic material – for many years of trouble-free service life. They feature a unique O-ring guide that provides a zero-leak connection, making them perfect for DIY pipe repair.
.QUICK CONNECT: Easy to install and handle, Watts AquaLock connectors utilize a swivel nut with NPS straight threads and a cone seal, which allow the installer to thread onto NPT, NPS, BSP, and most other threads without tools, tube inserts, or thread sealant. Simply thread on and hand tighten.
.MULTIPLE CONFIGURATIONS: Capable of being used for hot and cold water applications, including behind-the-wall applications, Watts AquaLock fittings are reusable and available in a wide range of configurations and sizes to suit your needs. This model is a female adapter with a size of 1/2" CTS (Copper Tube Size) x 3/4" FGHT (Female Garden Hose Thread).
.EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.

Watts 959235 Aqualock 3510-1014 (P-618C) CTS Plastic Quick Connect Female, 1/2"