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5-STAR WATER FILTRATION PERFORMANCE WITH NO LEAKS
5-STAR CUSTOMER SERVICE WITH LIVE USA BASED, KNOWLEDGABLE TECH SUPPORT
I’d researched residential water filtration systems for a while. I kept coming back to iSpring.
BEFORE YOU BUY: MEASURE YOUR WATER PRESSURE (PSI) AND TOTAL DISSOLVED SOLIDS (TDS/PPM) then contact iSpring and they’ll recommend the system optimized for your unique water issues.
I purchased a ppm digital water meter for around $20 at plumbing supply store, ran my ‘cold’ sink water and wrote down my ppm.
Install a water pressure gauge (psi gauge) which may require a plumber, or purchase a gauge with a female threaded end to connect to a garden hose or utility sink with a threaded faucet. Last resort is if you are on municipal water, call your city water department, provide your address and ask for the psi to your address, they’ll give you an ‘estimated’ psi range.
Record your ‘static’ psi readings when no water is running in the building. A psi reading, when water is flowing, may result in a slightly lower reading (depending on how the building is plumbed). If you are in a multi-family dwelling, verify if you are on separate water meters, if not, try and take several readings at low water use times, such as early mornings before neighbors wake, then calculate the average psi.
Call iSpring, give them your ppm and static psi readings. They will advise you on the correct system to meet your unique water ppm and psi readings. Low psi residences may require an iSpring system with a water pressure pump, whereas high psi residences may require a system with an iSpring factory preset pressure reducer. iSpring is engineered to provide optimum performance between 45-70 static psi. The closer you can get to 70 psi, without going over, the better the RO filter will work and last.
iSpring provides 5-STAR product support. I called and spoke to Nick a customer support manager, a real U.S.A. based professionally trained tech support specialist who has the answers memorized and is not reading a script.
Inside the shipping box flap is a QR code. I suggest you scan it and watch the highly produced installation video and use it often. Each installation step has individually wrapped corresponding parts with individual installation instruction booklets. Installation is fool-proof.
When you install and begin cutting tubes, never cut with scissors, pilers, serrated blades or knife. Each locking clip has a tab, the tab must always face the tube and not fitting. I had no leaks first time out.
Mount the filter metal manifold - with the 3 pre-filters - before you flush them, as flushing the system with water will add weight and make it difficult for one person to lift and mount it. I suggest getting some scrap 2”x4” lumber or brick pavers to rest the pre-filter canisters on while you mark your screw holes with your sharpie marker. Be certain to mount the bracket high enough to leave room below to remove the pre-filter canisters. Install mounting screws, check for fit, then place the system on a towel on the floor during the entire installation process to assure full view of all fittings and inspect for leaks. Hang the filter manifold as your last step, leave the tube slack and zip tie them out of the way.
The 3 Pre-filter canister O-rings are loose fit into a groove and should be installed vertically into the manifold to prevent the O-rings from unseating while you hand tighten. Don’t lay the canisters down to install them. Once installed, stand the filter system on a towel on the floor, then begin the filter flush step as directed and watch for leaks. If leaks appear, use the wrench turning it slowly until the leak stops, then stop tightening. This prevents over tightening and leaking.
iSpring systems are designed to operate in a maximum ambient temperature of 100 degrees F. For hot climates, I suggest purchasing 3M Company adhesive cupboard door stops. They are rubber pads with glue backing. Stick them on the inside of your frame so they contact the cupboard door and create a gap between your cupboard door and frame to allow air circulation. Hang a thermometer in the cupboard to be sure.
After installing your iSpring system, the remineralization stage releases more minerals over time as it breaks-in, so your ppm will increase. Furthermore, your static water pressure (psi) has an inverse relation to remineralization. The higher the psi, the lower the minerals released. A psi close to 70 will increase system filtering, life of your RO filter and decrease waste water.
CONCLUSION: From my experience:
iSpring provides world-class product support and filtration system. My water system has no leaks, and is currently providing water, with minerals added, at 10 ppm. It is clear and delicious.
iSpring is American engineered and backed by 'Nick' their expert live American-based customer support manager
iSpring RCC7AK-UV All components tested by and passed/exceeded NSF/ANSI 58 Certified Standards
iSpring will advise you on the proper system when you provide your water ppm and static psi readings and support you through your entire DIY installation
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Style:
7-Stage, Alkaline & UV
There is a newer model of this item:
iSpring RCC1UP 6-Stage 100 GPD Under Sink Reverse Osmosis Drinking Water Filtration System with Booster Pump and UV Ultraviolet Filter, Patented Top-Mounted Faucet Design for Easy Installation
$419.99
(104)
Only 12 left in stock (more on the way).
$419.99
(104)
Only 12 left in stock (more on the way).
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This item: iSpring RCC7AK-UV, NSF Certified, 7-Stage Under Sink Reverse Osmosis Water Filtration System with Alkaline Remineralization and UV Filter, Patented Top-Mounted Faucet Design for Easy Installation
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- iSpring RCC1UP-AK, 100 GPD 7-Stage Reverse Osmosis Under Sink Water Filtration System with Boost Pump, Alkaline Remineralization and UV Filter, Patented Top-Mounted Faucet Design for Easy InstallationFREE Shipping by AmazonGet it as soon as Friday, May 1
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- iSpring RCC1UP 6-Stage 100 GPD Under Sink Reverse Osmosis Drinking Water Filtration System with Booster Pump and UV Ultraviolet Filter, Patented Top-Mounted Faucet Design for Easy InstallationFREE Shipping by AmazonGet it as soon as Friday, May 1Only 12 left in stock (more on the way).
From the manufacturer
Superior Filtration Performance
The Alkaline Remineralization stage restores the proportion of healthy minerals and natural taste, and the UV stage provides an additional stage. Backed by iSpring quality, here is a system that will give you many years of trouble-free, low maintenance peace of mind.
This Reverse Osmosis system RCC7AK-UV is able to remove up to 99% of over 1,000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium and more.
iSpring RO system RCC7AK-UV is certified against NSF 58/ANSI for TDS reduction (58 for reverse osmosis). Certificate C0536866, by NSF International 2022.
The RCC7 line is America's favorite brand of water filtration systems. All of our systems go through rigorous quality checks for air leaks, pressure and cycle resistance to maintain our own quality and performance standards.
Highlighted Features
Reinforced Transparent 1st Stage Housing
Provides an easy way to visually inspect the sediment filter and view the contaminants being removed from your water. With the transparent housing you will know it is time for a filter change before a problem occurs.
Finest Micron, Layered Protection
Enjoy peace of mind with help from iSpring's RO system Leak Stop Valve. This leak stopper will automatically shut off the incoming water supply when it comes in contact with water. It's completely mechanical with no batteries required.
Leak-Free System & Online Supporting Videos
Push to connect fittings and color coordinated tubings simplify the installation process. We know that high percentage of our customers prefer Do-it-yourself installation. We are investing in video production to provide our customers the resources needed to have successful installation and maintenance.
Any Questions?
If you have any questions about the installation, replacement filters, etc., please feel free contact our expert team for personal assistance. Now, and years from now, we will be right here and ready to help.
RCC7AK-UV
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RCC7AK
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RCC7
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RCC7P-AK
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RCC1UP-AK
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RO500AK-BN
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|---|---|---|---|---|---|---|
| Customer Reviews |
1,901
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14,671
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4,100
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1,620
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1,372
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533
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| Price | $280.49 | $234.99 | $186.94 | $339.13 | $449.99 | $522.89 |
| Removes dissolved solids, chemicals and metals | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Mineral Drinking Water | ✓ | ✓ | - no data | ✓ | ✓ | ✓ |
| Production (GPD) | 75 | 75 | 75 | 75 | 100 | 500 |
| Filtered Water to Waste Water Ratio (w/ Tank) | Up to 1:2 | Up to 1:2 | Up to 1:2 | Up to 1.5:1 | Up to 1.5:1 | Up to 2:1 |
F3
Sediment, Dust, Chlorine & Odors.
F10KU
Sediment, Dust, Chlorine, Odors & Restores Minerals.
F21KU75
Sediment, Dust, Chlorine, Odors, Lead, TDS & Restores Minerals.
F31KU75
Sediment, Dust, Chlorine, Odors, Lead, TDS & Restores Minerals.
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Customers say
Customers find this water purification system to be better than bottled water, with clean and clear output that tastes good. The installation is easy, and the filters are simple to change, while the system and filters perform flawlessly. Customers consider it well worth the price, with one mentioning it saved $900 over local installation. While some customers report no leaks, others experience constant leaks from the water faucet.
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478 customers mention quality, 451 positive, 27 negative
...I found it easy to use and install. In my opinion this is a great product that gives me peace of mind and one which also benefits from outstanding...Read more
...I'm fairly handy and had no issues what so ever.... Great system. Wish I did it sooner. Good taste (No taste). Just a great easy system....Read more
...UPDATE after 2 years. Still great water and slight issue with the Stage 1-3 filter caps. Customer service was great replacing it immediately....Read more
An excellent product. My family enjoys refreshing delicious water right from the tap. No more bottled water for us.Read more
401 customers mention water taste, 317 positive, 84 negative
...Highly highly recommend this product plus the water tastes great and feels so soft (sometimes I wash my hands with it because I like how it feels)....Read more
...The RO water tastes great, and we're looking forward to years of great tasting water from terrible tasting well water. Good-bye to bottled water....Read more
...Problem solved, great taste crystal clear ice cubes and no more particulates at the bottom of our glass! Thanks ispring!!Read more
...Where I live the city does not have very good water quality. It has bad taste and sometimes is a little brown in color....Read more
382 customers mention installation, 327 positive, 55 negative
...Pros: Easy to install Output water is crystal clear NY City heavy chlorine taste is gone According to specs, fluoride is removed....Read more
...the supply line to send water to the refrigerator, which was very easy to install. Customer service is speedy and friendly. Definitely recommend!Read more
Absolutely amazing water easy install if your mechanically inclined and handy and understand plumbing overall whole system is very sleek and nice....Read more
...The installation was easy, esp. if you are replacing an existing setup. Replacement filter packs make it easy to maintain at a reasonable cost.Read more
248 customers mention functionality, 207 positive, 41 negative
Ispring ro system is great, it wa's easy to install and works great. The customer service is exceptional and they stand behind their products....Read more
This system works great. I had an issue with a leaky faucet that came with the system but it was promptly replaced. The customer service is fantastic.Read more
It works great. Before using I use this system out in the county with well water. So far it works great. Before using, well water did have a taste....Read more
.../hard it was to set up this water filter but it is up and running, working great....Read more
209 customers mention water quality, 185 positive, 24 negative
...It does require some maintenence but it's a good system. Clean, safe water right in my home can't be more important with all the crazy going on...Read more
...Easy color coded installation (even easier with Youtube tutorials), clean water that is better than any bottled water on the market, and a fantastic...Read more
...It is clear and delicious. iSpring is American engineered and backed by 'Nick' their expert live American-based customer support manager...Read more
...The water tastes incredibly fresh and pure, which is a significant upgrade from our previous water source--and the savings was even better than...Read more
131 customers mention value for money, 121 positive, 10 negative
...I couldn't be happier and it's a great value. Thanks iSpring!Read more
Great product 👌. Worth every penny. Most things are pre assembled. Just need to connect everything together.Read more
...They are affordable and the customer service will walk you through the steps to replace them yourself. The system seems to be great quality so far....Read more
...If it lasts a long time then it I would consider it a great investment but only time will tell....Read more
94 customers mention instructions, 70 positive, 24 negative
...has a complete system all in one, that is east to install with great instructions, videos available and even extremely knowledgeable live staff...Read more
Water quality is great, ease of installation with easy to follow instructions, and best of all the quick response from product support....Read more
...Booklet directions are not too clear, but parts can only be installed one way, the right way. Once is put together, water quality is great....Read more
...The instructions were clear, and I had the system up and running in no time. However, it wasn't all smooth sailing initially....Read more
113 customers mention leakage, 40 positive, 73 negative
...That also causes leaks....Read more
Unit was easy to install and water tastes great. No leaks, just make sure all tubing is inserted all the way into connectors and clips attached....Read more
...Years later, I still love it. It recently sprung a leak. I contacted the manufacturer to see if I could get replacement parts....Read more
We just had this installed and disappointed as there is a leak on valve control. I will customer service to see if they can be of any help here.Read more
Perfect RO system and great Customer Support
I decided to go for this RO system to replace my current rental RO system that I was renting for 4 years. It was basic and they kept increasing the price yearly. I did lots of research and settled on this system. It covers everything I am looking for in an RO filtration system to provide decent water quality for my family. Installation was easy and straightforward with the installation manual and video. The color coded pipes and connections made it even easier and foolproof. Water flow is decent and water tastes great. I checked the TDS. My city water supplied TDS is around 550 ppm, and the RO filtered water TDS is around 30 ppm, which is perfect (considering I have Alkaline stage, which adds back some minerals). I noticed that there is some over drainage from the filter. I contacted the customer support, and for my surprise, there was no waiting time or leave a message and we will come back to you! I explained my concerns to Nick and he went with me through the installation, guided me to check the tank pressure to make sure it is adequate, and to check the supply water pressure, doing some tests, step by step. I am an engineer, and I recognized that he is very knowledgeable and knows the system in depth. After monitoring and sending him the water pressure readings, it showed up that my main water supply is fluctuating and goes below the recommended water pressure, which causes the RO system to over drain. Nick proposed to send me a new RO system with booster pump, to compensate for the low water pressure, which I am grateful to.
Top reviews from the United States
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- Reviewed in the United States on December 14, 2025Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase
- Reviewed in the United States on March 2, 2026Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase
I decided to go for this RO system to replace my current rental RO system that I was renting for 4 years. It was basic and they kept increasing the price yearly.
I did lots of research and settled on this system. It covers everything I am looking for in an RO filtration system to provide decent water quality for my family.
Installation was easy and straightforward with the installation manual and video. The color coded pipes and connections made it even easier and foolproof.
Water flow is decent and water tastes great.
I checked the TDS. My city water supplied TDS is around 550 ppm, and the RO filtered water TDS is around 30 ppm, which is perfect (considering I have Alkaline stage, which adds back some minerals).
I noticed that there is some over drainage from the filter. I contacted the customer support, and for my surprise, there was no waiting time or leave a message and we will come back to you!
I explained my concerns to Nick and he went with me through the installation, guided me to check the tank pressure to make sure it is adequate, and to check the supply water pressure, doing some tests, step by step. I am an engineer, and I recognized that he is very knowledgeable and knows the system in depth. After monitoring and sending him the water pressure readings, it showed up that my main water supply is fluctuating and goes below the recommended water pressure, which causes the RO system to over drain. Nick proposed to send me a new RO system with booster pump, to compensate for the low water pressure, which I am grateful to.
Images in this review
- Reviewed in the United States on April 22, 2015Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase
Top reviews from other countries
- DariusReviewed in the United Kingdom on December 21, 2014
Excellent product, fantastic customer service!
Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase - Dimitrios LoukasReviewed in the United Arab Emirates on November 23, 2019
Easy to install BUT it comes with 110V UV power supply only...
Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase -
CARLOS PEREZReviewed in Mexico on October 1, 2018
Necesita más presión a lo habitual
Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase -
うるけんReviewed in Japan on December 29, 2023
間違いなく最強です。
Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase
井戸水で使ってます。訳あって水質２６項目調査をしました。装置なしの時に雑菌が多少多いと判定されこの装置を取り付けました。そして調査結果は全てにおいて数値が合格となり（数値が少なすぎると言われました）この装置が圧倒的だった事がわかりました。アルカリの数値が高すぎるとのことだったので取り外しました。元々の水圧が弱いので水の出が悪いのですが（ポンプ付きを買えばよかった）タンクを使って上手くやってます。ネットで見て「これしかない」と思い買いましたが本当によかったです。うるけん間違いなく最強です。
Reviewed in Japan on December 29, 2023
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Ritorto Sergio GiuseppeReviewed in Italy on September 19, 2025
ECCEZIONALE!
Style: 7-Stage, Alkaline & UVColor: Brushed Nickel FaucetVerified Purchase
