Description
The Membrane Flush Kit adds a flush valve to the drain line of a home RO system. In normal operation, the flow restrictor keeps pressure on the membrane. Opening the flush valve bypasses the restrictor for a short time, so a high-velocity stream of water sweeps across the membrane surface and carries loose deposits to drain. Regular flushing slows down scaling and fouling, helping the membrane last longer.
Why flush an RO membrane?
As water passes through the membrane, salts and particles concentrate on its surface. Over time, hardness minerals can form scale and fine particles can build a layer that reduces flow. Homes in Oman using hard tanker or well water see this faster. A Membrane Flush Kit gives you a simple way to clean the surface without removing the membrane.

What is included
- Manual flush valve (or flush restrictor with built-in valve)
- 1/4 inch push-fit connectors
- Short length of tubing
- Installation instructions
Automatic flush kits, which flush on a timer or at each start-up, are available for pumped systems.
Specifications
| Type | Manual or automatic flush valve |
| Connection | 1/4 inch |
| Position | Drain line, parallel to flow restrictor |
| Suggested flushing | 1–2 minutes, weekly |
How to use it
With the RO running, open the flush valve for one to two minutes, then close it. Do this weekly, or more often on hard water. Flushing is not a replacement for proper pre-filter changes or for chemical cleaning of larger plants, but it is a cheap way to extend a home membrane’s life. See matching RO spare parts and replacement membranes. For background, see Wikipedia.
Frequently asked questions
Will flushing waste water? A little, but far less than replacing a scaled membrane early.
Can you install it? Yes, during a routine RO service visit.
Why buy the Membrane Flush Kit from Farz Water?
Farz Water is a water treatment supplier based in Muscat, serving homes, businesses and projects across the Sultanate of Oman. When you choose the Membrane Flush Kit from us, you get more than a product in a box. Our team checks your water and site conditions first, so the equipment you buy matches your actual needs instead of a generic catalogue size. We explain the options honestly, including when a simpler or lower-cost solution will do the job.
We stock common spares and consumables in Muscat, so filters, lamps, membranes and fittings are available when you need them. Our technicians install and commission equipment, show you how to operate it, and return for scheduled service if you choose an annual maintenance plan. If anything is not working as expected, you can reach us directly by phone or WhatsApp and speak to someone who knows your system.
Order a Membrane Flush Kit in Oman
Farz Water stocks RO spares in Muscat. Contact us or call / WhatsApp +968 9455 4533.







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