Witness the Power of ProLock

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John Guest has always been a trusted name in push-to-connect fittings. But with JG ProLock, they’ve reached for a new level.

An advanced thermoplastic fitting usable with copper, PEX, and CPVC, JG ProLock introduces Twist-to-Lock technology for ultimate control. ProLock’s responsive design ensures a secure fit at unprecedented insertion depth – and because it’s safe for behind-wall use, it’s a unique combination of strength and versatility.

  • No tools or master installer needed for installation
  • Audible click sound and visible alignment arrows assure a secure fit
  • 45% more insertion depth than traditional joining solutions
  • Certified for ASSE1061 and NSF61(G)
  • In compliance with the UPC® (Uniform Plumbing Code), IPC® (International Plumbing Code) and the National Plumbing Code of Canada
  • Available for copper, PEX and CPVC tube sizes (CTS) 3/8” through 1”

The best way to see the power of ProLock is to try it yourself. Get your free sample coupler today at JGProLock.com.

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