Auto Shut Off 4 Way Valve for RO Systems

4W-VALVE Reverse Osmosis System auto shut off 4 way valve.

In Stock

£4.70 inc-VAT


This 4 way RO Filter Control valve is ideal for controlling the flow of water coming from a water filter or similar where you want the water to be turned off when the tank is full. Connect the inlet/outlet of pure water to in/out. Connect the other in/out to the RO membrane water input. This will allow you to automatically turn off the mains water to the unit when the pressure tank or barrel of pure water is full. To indicate the tank/ barrel is full you require a pressurised water tank or a tank operating in conjunction with a float valve.

Suitable for use with  1/4" (6.35mm) reverse osmosis water filter pipe. The system utilises quick and reliable pushfit pipe connection.


  • Made out of a food grade material
  • Easily control water flow from reverse osmosis system
  • This turns off the water going into RO unit, when the pure water output is closed and high pressure.
  • Fits on the pure water outlet, wen this is pressurised, a plunfer inside turns off the input water. So, this prevents water entering the RO membrane housing, and as such, prevents the constant flow of drain water.
  • Simple to use, reliable push fit pipe connection.

Technical Information

  • 1/4"(6.35MM) use in all 1/4" water pipes.

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