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Your cart is empty.Easy to install.The "in & out" markings are on the top of the valve. The top side of the valve is the high pressure side and the bottom side is the low pressure side. The high pressure from the filter housings goes to the "in" on the top of the valve. Then the high pressure "out" goes to the membrane housing inlet. The membrane housing low pressure outlet connects to the "in" on the bottom side of the valve. The "out" on the bottom goes to the tank.
KK
September 2, 2025
recently replaced my water filter system's valve with the DIGITEN 1/4" Automatic Shut-Off Valve, and I couldn't be more pleased with the ease of replacement and its performance. The installation process was straightforward, thanks to the quick-connect fittings that made it almost a plug-and-play experience. No leaks, no fuss. The valve automatically shuts off the water flow once the filter is full, which adds a layer of convenience and efficiency I didn't have before. It's a small upgrade that made a significant difference in the maintenance of my water filtration system. Highly recommend for anyone looking to simplify their water filter setup!
wanswong
August 21, 2025
I replaced the old automatic shut-off valve because my RO system kept generating humming noise with different level of loudness. The water also taste not as pure as RO water. It seemed that all problems was caused by ripped membrane inside the valve.
John in NYC
August 7, 2025
Workes ask expected, simple to install. This was replacing a valve on a system not sold by this company. The old one has failed. This is working as expected. Good quality, the tubing grips in nicely, no leaks. So, result.
Alexander Howe
July 28, 2025
I'm using this in a fairly simple float valve tank setup with regular 50-60 PSI water mains. If your shutoff valve vibrates and fails when installed with provided instructions, try this alternative installation instead.1) Connect the top IN to RO waste OUT.2) Connect the top OUT to your waste line.3) Connect bottom IN to RO filtered water OUT.4) Connect bottom OUT to your tank/reservoir.
D. K.
May 20, 2025
My Watts Premier RO Pure Plus system was draining constantly and making a noise like angry bees. The water pressure at the spout was also low. I replaced all prefilters and the membrane and the post-filter to no avail. Tested with ball valve at the tank closed and discovered that the water kept draining. Replaced the original ASV with this valve (took ~10 mins with no tools) and the same test now passes. Fixed my issue and there is less noise when the water is filtering as well.
KT
May 16, 2025
The valve doesn't work at all. (I got a degree in electrical and mechanical engineering, so I'm not an idiot) I checked it 4 or 5 different ways, and the valve actually does nothing. Wastes water continuously, even if the tank is full.
Scott
April 24, 2025
This worked fine for almost a year then is started honking worse than the one I replaced. Looks like I’ll try again with a different one.
Tweakit
March 31, 2025
Quick connect makes installation easy. Looks to be solid. Installed yesterday and solved my always draining problem. Cost is less than half of original replacement.
Mad cow
March 11, 2025
Works as it should.
AGT
March 7, 2025
Good price.
Svetlana Gontscharov
February 15, 2025
Diese Teile passt genau. Wir sind zufrieden. Danke
Fernando Pérez Dehesa
December 27, 2024
Aun sin poder opinar sobre su duración, lo cierto es que funciona perfectamente y el equipo de ósmosis inversa ha vuelto a funcionar sin los problemas que tenÃa con la válvula anterior, que era la de serie del equipo. El envÃo, como siempre, muy rápido y sin problemas.
Customer
December 12, 2024
Does the job. All as described.
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