Home / Tubing & Hoses / Hoses / John Guest ProLock Flexi Hose - 1/2 CTS x 3/4 NPSM
John Guest

John Guest ProLock Flexi Hose - 1/2 CTS x 3/4 NPSM

Part Number: PSFC20N3618E
Your price:
JG ProLock™ fittings use a collet with stainless steel teeth that grips the pipe when fully inserted and an O-ring to provide a permanent, leak-proof seal. When twisted into place, the locking cap locks the pipe in place and creates an audible click, ensuring maximum security. No tools, soldering, clamps or glue are ever required.

  • Full flow
  • Lead-free
  • UV resistant
  • Code-approved
  • 25-years warranty
  • Approved for behind-wall use
  • For use with copper, PEX and CPVC
  • Twist-to-lock technology provides added security
Suitable for hot & cold potable water and hydronic heating applications

John Guest ProLock Ascriptions

Tubing Standards:
  • Copper - ASTM B 88
  • PEX - ASTM F876 / CSA B137.5
  • CPVC - ASTM D2846 / CSA B137.6
  • 25 Year Warranty against defects in materials and manufacturing.
Code Compliance:
  • Uniform Plumbing Code (UPC)
  • International Plumbing Code (IPC)
  • National Plubing Code of Canada
  • ASSE1061-2011
  • ASTM F877-2011
  • NSF Standard 61

Application Max Working Pressure Max Working Temperature
160 PSI
100 PSI
80 PSI
73° F
180° F
200° F
California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov