Reverse Osmosis Membrane Flush Valve

Used the 800 ML Flush as recommended for a 100 GPD Membrane and the water pressure dropped too significantly to push any TDS out. Had to return it and use the capillary style and everything works fine. Drop in pressure is now acceptable and still flushes out the TDS. Gave this 2 stars because it's a clean and simple product, but the ratings need to be changed.

Works as expected and is not noisy as some other reviewers have said.

Installed it has a very faint sound like water is running when in use as a flow restrictor (that's normal). It's actually noisy in flush mode so you're not going to forget it and waste massive amounts of water (that's a good thing). Overall it's a great two in one product.

Would have been nice not to have to reasearch how to install this.

I built my own RODI system by buying all the canisters, filters, membrane, housing, pressure guage, auto shutoff kit and this manual flush valve all separately here on BRS to save money over buying a pre-assembled unit.

There are 2 issues with this Flush Valve... First, it makes a loud air sound when you close the flush and use it with the restrictor in place to make your water. VERY ANNOYING!

Second, and more importantly, this flush valve will not work properly with the Auto Shut Off Kit that I also purchased here on BRS. I got the valve for a 150gpd RODI system, the 800 mL. I have a ball valve that is connected right outside the garbage pail where my product water is stored so I can close off any water going into the pail when flushing so it all goes out the waste water line.

For some strange reason, when the ball valve is closed, allowing no water to the pail, and I start to flush the membrane, too much pressure builds up in the line and after about 10 seconds and the Auto Shutoff Kit kicks in and shuts off the water completely.

After calling BRS about this, they said the only thing I could do was to slightly open the ball valve, alowing flush water into the pail. I've tried the Flush Valve from Marine Depot and it also makes the Auto Shutoff kick on, but only after 5 seconds. So the BRS valve stays on a bit longer.

The only thing I can think of is that I have 60psi of water pressure straight out of the tap, without a booster pump. With a restrictor it jumps to 80psi and pumps water fine. But the Auto Shutoff Kit kicks in when flushing, with the pail's valve closed, when it hits 60psi. I guess there's too much water pressure backing up through the waste water line.

So if you have naturally high water pressure, like I do, none of these manual Flush Valves work with the Auto Shutoff Kit if you close off access to your storage container. But if I remove the Flush Valve and close off my container, the system pumps all the water out the waste line, albeit with a flow restrictor inline, and the Auto Shutoff never kicks in. So even though the Flush Valve is completely open to flush, it still is restricting water flow slightly, or the ASO wouldn't interfere.

So between the noise and the ASO Kit problem, I wouldn't advise getting this if you have a setup like mine... a standard 3-canister and 1-150gpd membrane with the ASO Kit installed.

The on/off flush value seems to be a better design. The longer turn value is easier to turn.

A bit noisy fir the first 30 seconds, but then operates silently. Easy to install!

As always, BRS staff pointed me to exactly what I needed and was simple to install. Thanks!

I got this to be able to flush my RODI System. However when it is acting like the flow restrictor, it is pretty loud. Not sure if mine is defective but oh well. other than that it works fine. I prob. could have contact BRS but figured it is what it is.

I got this to be able to flush my RODI System. However when it is acting like the flow restrctor, it is pretty loud. Not sure if mine is defective but oh well. other than that it works fine. I prob. could have contact BRS but figured it is what it is.

I recently purchased BR6 and decided to add the flush valve. Installation was very simple - I just had to remove the existing flow restrictor and insert the flush valve. Removal is simple because you simply push in on the collar and the tube can be pulled out.

This kit was very easy to install also easy to use the only downside is brs recommendation is to flush before and after which is hard to do if you have a auto shut off you can flush before just turn it to flush then remove your ro water it eill then flush and you can turn it back to make water you can't flush after due to the auto flush when its engaged it will not alllow any water threw.