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These valves are designed to connect to standard cold water connections in 3/8", which are typical of sink lines, but washing machines may differ from this.
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John Guest Angle Stop Valve's directly connect RO units to the household water supply. It installs under the sink, inline after the shut-off valve. This clean, out of the way installation leaves faucets free for other use. To turn of water supply to the RO unit for maintenance simply close the ball valve.
John Guest Angle Stop Valve ⅜"
- ⅜" Male Thread x ⅜" Female Thread
- ⅜" Quick Connect Ball Valve for ⅜" RO tubing
John Guest Angle Stop Valve ¼"
- ⅜" Male Thread x ⅜" Female Thread
- ¼" Quick Connect Ball Valve for ¼" RO tubing
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Great non-permanent RO/DI connection By Kyle on 5/2/2017Kyle would recommend this product to a friendThis valve is a great way to connect an RO/DI unit to the cold water supply under any sink without making any permanent holes in your plumbing. This is much better quality than the ones you find in hardware stores. I highly recommend this valve for anyone looking to plumb their RO/DI unit under a sink, have the luxury of disconnecting it when needed, and being able to simply turn a valve and start making RO/DI water.
Excellent! By Eredus on 3/26/2017Eredus would recommend this product to a friendConnected in less than 5 minutes. No leaks and performs excellently! Would gladly recommend to anyone else looking for a very straightforward and reliable solution to connecting an RO/DI unit directly from an under-sink cold water supply connection.
Perfect By Fragit on 4/10/2016Fragit would recommend this product to a friendVery easy to install, does exactly what it's supposed to. No leaks at the push connection, valve operates very smoothly, and is easy to position. I would recommend this product!
Love it By Hamburg on 12/14/2015Hamburg would recommend this product to a friendworks great no leaks cannot complain
very good By babnika on 7/14/2015babnika would recommend this product to a friendI really like the way this valve swivels around the stem making routing lines a lot easier. Not like others that can't that I have used in the past. I have two of these hooked up to one line to feed two of my RO units . verry impresed
So-so By GRC on 10/1/2014GRC would recommend this product to a friendLike the metal threads,but the valve didn't last 6 months!
Excellent way to hook up your RO/DI unit By Jason on 12/19/2013Jason would recommend this product to a friendI've used one of these for my RO/DI unit for years now and never had a single problem with it. It is the safest, easiest way to connect your unit to your homes water supply.
Works without problems By Nish on 10/2/2013Nish would recommend this product to a friendAs a new reefer, I didn't know much and a friend suggested this, I searched this product at the homedepot and lowes or weeks as I didn't wanted to pay or shipping. But I couldn't find it. Then I ordered this with few other things I needed.
This product is well made, even better than the name brand stuff you can buy at lowes. Worked great 2 mins installation an I was up and running.
have to have By Andy on 2/19/2012Andy would recommend this product to a friendthis is the best part of my ro/di unit
Great Adapter By Justin on 2/2/2012Justin would recommend this product to a friendThis adapter worked perfectly under my sink. No leaks and I am able to easily adjust the PSI for my RO/DI system. Much better than the saddle adapters!
Well worth it By Martin on 1/10/2012Martin would recommend this product to a friendEasy to install with no leaks. This is a good adapter to use as a supply line for a BRS RODI unit. I connected this in 5 minutes and I am a plumber's worst nightmare. If I can do this, anyone can.
Great part...Make sure you KNOW what you need By hman on 12/3/2011hman would recommend this product to a friendREAD Till the END!
Picked up a new RODI from Bulk Reef supply and also picked up this John Guest valve because I preferred not using the including the vampire valve or the included plastic fittings.
Valve is built like a tank. Installation is really nice and it works as advertised.
BUT make sure you're purchasing the product you need. The BRS kit comes with 1/4" push connects that will not fit this valve without some adaptors. Thankfully my local Lowe's had everything I needed to get this going.
That said. Great product.