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Watts Valves Check Valves
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Watts 1/2 IN CTS Plastic Check Valve

SKU: 0959475

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Product Details

Watts 0959475

This 1/2'' CTS AquaLock plastic check valve works with copper, CPVC, PEX, and CTS rated pipe. It is easy to install, no tools or tube inserts are required. The fitting can be used for hot and cold water applications. The unique O-ring guide feature provides a zero-leak connection. Unlike barb fittings, this fitting joins the tubing on the outside, increasing the flow capacity. After a connection has been made even under maximum pressure, the tubing is able to swivel, making the fitting ideal for vibrating and dynamic applications.


  • UPC 098268089370
  • Online Product ID 9694332
  • Inlet Connection Size 0.5''
  • Inlet Connection Type Push to connect
  • Lead Free yes
  • Maximum Working Pressure Psi 250
  • Minimum Temperature Deg F 33
  • Outlet Connection Size 0.5''
  • Outlet Connection Type Push to connect
  • Series Check Valve 3540

Additional information

  • Can be used for hot and cold water applications, including behind the wall applications
  • 25-year limited warranty
  • Works with copper, CPVC, PEX, and CTS rated pipe
  • No tools required for installation or removal
  • Zero-leak connections
  • Rotates under pressure after installed for high flexibility during installation

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