3553-0808 Pex Quick Connect Angle Valve, 1/2 Fip X 3/8 In.

The Watts 3553-0808 AquaLock PEX Quick Connect Angle Valve is a one-piece thermoplastic fitting designed to connect PEX, copper, and CPVC pipes without the need for installation tools or special equipment. This angle valve solves common plumbing challenges by eliminating assembly steps, reducing the risk of leaks, and enabling fast repairs or new installations. The quick-connect design makes it ideal for both professional plumbers and DIY enthusiasts tackling pipe repairs, water supply line installations, or system upgrades.

Installation is straightforward: simply cut your pipe and push the tubing into the fitting end until it seats firmly at the stop. The fitting creates a zero-leak connection with its unique O-ring guide, and the swivel nut design provides flexibility during installation. This valve is suitable for hot and cold water applications, including behind-the-wall installations where accessibility is limited, and it is code-approved for direct in-ground burial.

Features and Benefits

• Quick-Connect Design: No installation tools, thread sealant, or tube inserts required; simply push or thread the fitting in place for fast, tool-free connections.
• Durable Polysulfone Construction: High-performance thermoplastic body resists chemical attack and delivers many years of trouble-free service life.
• Multi-Material Compatibility: Works with PEX (LDPE, MDPE, HDPE), copper, CPVC, and CTS-rated pipes, making it versatile for various plumbing projects.
• Zero-Leak O-Ring Seal: The unique O-ring guide ensures a reliable, leak-free connection every time.
• One-Piece Design: No separate parts to assemble or lose during installation, simplifying the job and reducing errors.
• High Pressure Rating: Rated for up to 250 psi.
• Flexible Installation: Rotates under pressure for convenient positioning; approved for behind-wall and in-ground burial applications.

Specifications

• Brand: Watts
• Model: 3553-0808
• Connection: 1/2 in. NPS (Female) x 3/8 in. CTS (Copper Tube Size)
• Pressure Rating: Up to 250 psi
• Material: Polysulfone (high-performance thermoplastic)
• Seal: O-ring guide with cone seal
• Color: Off-white
• Code-approved for behind-wall and in-ground burial installations

How to Use

• Installation: Push the PEX, copper, or CPVC tubing into the fitting end until the tubing seats firmly at the stop. For threaded connections, thread the fitting onto NPS, NPT, or BSP threads and hand-tighten without tools.
• Reusability: The fitting is reusable, allowing you to disconnect and reconnect the tubing as needed during repairs or modifications.