AquaLock 3543-10 Stackable Valve 1/2 Inch CTS Push-to-Connect

The AquaLock 3543-10 is a professional-grade stackable valve designed for fast, tool-free installation on hot and cold water lines. This push-to-connect fitting features a unique stackable design that allows multiple valves to be installed in tight spaces, making it ideal for marine, RV, and residential plumbing applications.

Key Features:

• 1/2 inch CTS (Copper Tube Size) connection for versatile compatibility
• Push-to-connect design requires no tools or tube inserts for installation
• Compatible with copper, CPVC, PEX, LDPE, MDPE, HDPE, and polypropylene tubing
• Constructed from high-performance thermoplastic material for durability
• Pressure rated up to 200 PSI at 75°F, 100 PSI at 180°F maximum temperature
• EPDM O-ring provides zero-leak connections
• NSF-61 certified for drinking water applications
• Backed by a 25-year limited warranty

The stackable valve design increases flow capacity compared to traditional barb fittings by joining tubing on the outside diameter. The unique O-ring guide feature ensures reliable, leak-free performance for years of trouble-free service in both hot and cold water systems.