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Extend RO membrane life with our premium RO membrane manual flush valve. Purchase with or without flow restrictor. John Guest and Mur-Lok dual o-ring fittings.


RO Membrane Flush Valve (John Guest/Mur-Lok Fittings)

Flow Restrictor
Flow Restrictor Type
  • Reverse Osmosis membrane manual flush valve with flow restrictor. Valve assembly includes two (2) Mur-Lok dual o-ring 1/4" push to connect flow dividers, 1/4" John Guest dual o-ring push to connect ball valve, Mur-Lok capillary flow restrictor or Axeon Barrel Style flow restrictor sized for your RO membrane (50,75,100 GPD), and 1/4" Mur-Lok LLDPE food grade tubing. We offer an option to purchase the manual flush valve without a flow restrictor, should you chose to use your own. The assembly is color coded for ease of connection. Installation instructions are included.

    To extend membrane lifetime, and improve membrane performance, flush the membrane for 15-30 seconds daily. For saltwater and reef aquarium RO units, flush the membrane for 15-30 seconds before each use, to extend the life of deionization filters.


  • We ship by USPS First Class and USPS Priority Mail. Shipping will be determined at checkout.