Watts AquaLock - Large Diameter Fittings (Previously SeaTech)
AquaLock™ Fittings can be connected to: Copper, CPVC, PEX, LDPE, MDPE, HDPE and Polypropylene tubing
AquaLock Push-to-connect fittings
AquaLockTM push-to-connect fittings have been designed and built to last for many years. A CTS-sized pipe may be installed quickly and easily with little chance of mistakes and leakage. AquaLock's stainless steel gripper ring is corrosion-resistant and interlocks with various materials, including PEX, Copper, and CPVC, without the need of any tools. They realize that when you need a reliable link, AquaLock is the answer.