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Check Valve for Reverse Osmosis Water system Lead Free

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While this is a small valve and always been neglected, in fact, a working check valve can be the difference between a TOP-PERFORMING Reverse Osmosis System and a system that does NOT work.

It is never a bad idea to change your Check Valve and Flow Restrictor when you change your membrane, in fact, Without a properly working check valve, the unit will not shut off properly when the tank is full, a great deal of water will be wasted, and eventually the membrane will be ruined. a few dollars spent can extend the life of your system, filters, membrane and save water dramatically. 


  • Fits standard RO membrane housings (1/8" NPT )

  • installed on the outlet port of membrane housing where pure water exits.  The check valve prevents the water from running backwards through the membrane



  • Prevents the flow of water back in to the RO membrane, ensuring the system pressurizes to works properly

  • Stainless Steel Valve

  • Required with use of auto shut off valve


  • 1/8" NPT male thread elbow

  • 1/4" quick connect fitting

What's in the box
  • 1 piece of Check Valve 1/8" NPT male thread elbow with 1/4" quick connect fitting
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