Electric Shut Off (ESO) Switch Kit for Aquatec Booster Pumps

Works great! Plug and play easy to install. Hose connections are perfect and tight. No leaks. Great Instructions. I had the mechanical type of water shutoff for years. When I first added my boost pump, these electric shut offs were not available. Installing into my system made a big difference in the RO water pressure. Much better with this ESO and without the old mechanical shut off. Well worth a full 5 stars!

Good so far. This stops the RO from filtering without the pump on. So the pump always turns on when filtering and the TDS stays low. They should just sell these with the pumps.

I purchased the Electric Shutoff Switch (ESO) for my 50 GPD 5-Stage Reverse Osmosis system, along with the Aquatec 6800 Booster Pump Kit. Before, my feed pressure into the RO system was between 30 and 40 psi, which wasn't enough to push water into the holding tank. I was constantly running out of water, and it was really frustrating. I tried everything: changing filters, replacing the membrane, and even getting a new backflow valve. But it became clear that the pressure was just too low for the system to run properly. Adding this pump was super easy with the provided instructions. Now, my pressure gauge shows about 60 psi, and I haven’t run out of water since. The water pressure coming out of the spigot is also much higher, making it quick to fill up a pitcher. The Electric Shutoff Switch is a great addition. It lets the system "rest" between cycles and stops it from continuously wasting water like before. The pump is very quiet, and with the sink cupboard doors shut, I can't hear it at all when it comes on. This has been the perfect fix for my RO system, and my whole family loves the fresh, clean water.

No electrical specification for this solenoid other than working voltage. Manufacturer's website ksd.com.tw also none. Documentation is identical as comes with pump, just how to hook up a generic ESO, so nothing specific to the solenoid. Was concerned about power drain but monitoring with the transformer plugged into a Kill A Watt meter showed only around 4 watts extra for the solenoid over the 13-15 watts the pump used. No mounting flanges, just a couple of holes on the underside. Guess I'll need to mount it screwed to a small block of wood, right now it's hanging from the pump 😔 It works as advertised with the above caveats. The jury is out on how long it will last.

I bought this to go with the booster pump I bought for the R/O system. It was brought to my attention with the "often bought with" list of items that came up when I bought the pump. The connections were very easy as they provide instructions. Also, all the connectors fit with the booster pump. It has been working well for almost 2 years. I do note that I don't see an obvious way to adjust the on and off pressures, but seem to work fine with the presets they provide.

Must have for any under sink water filtration system with a booster pump. Unless you like hearing the pump run constantly and water go down the drain constantly. If that's your thing, don't buy this anti-headache device. Works excellent so far, after six months. Do recommend

This is the best way to shut off water to an RO boost pump which is often used to boost RO efficiency when used with a well/pump. Most well pumps provide 40 - 60 psi, and the RO works better with higher pressure, up to 80 psi. This valve is reliable, and just works!

if you have a Reverse Osmosis system with an Aquatec Pump, you got to have this, why? because it will shut off the water supply when the pump is off what does that mean? no more water going in the system and just going out the drain! but I have a ASO valve in my RO unit? yes, but the pump will work more efficiently by removing the ASO valve (refer to the user manual) solid ESO valve!

Planning on installating this and although the description clearly states that instructions are included, none were.