iSpring RCC7 75 GPD

High capacity, cost-effective, easy to install RO water filter system

Highlights
  • Can produce 75 gallons of water per day; more than double most other systems
  • Capable of removing 97.2% of Total Dissolved Solids, including chlorine, taste, odor, fluoride, arsenic, lead, chromium and radon
  • Filters can be a bit fiddly to change
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Certifications

NSF Standard 58

Country of origin
USA
Affiliate Disclosure

Product overview

The iSpring RCC7 75GPD is a high capacity, simple, cost-effective system that can be installed in around an hour (depending on your skillset). There are two main downsides to this system. One is that it’s a little fiddly to change filters (you might get a little wet!), and the other is that the filters need to be changed more often.

The main advantage of this system is its higher capacity compared to many other systems in this price range. The iSpring’s RO membrane can produce 75 gallons of water per day (at 60 psi and 77 degrees Fahrenheit), which is more than double most other systems. One other pro for the iSpring RCC7 is the Reinforced Transparent 1st Stage Housing which allows you to visually inspect the sediment filter and view the contaminants being removed from your water. This also makes it easy to know when it is time for a filter change.

The iSpring RCC7 75GPD has 5 stages of filtration and comes with a faucet and pressurized storage tank. It is independently certified to WQA Gold Standard and NSF Standard 58, proving it is capable of removing 97.2% of Total Dissolved Solids, including chlorine, taste, odor, fluoride, arsenic, lead, chromium and radon.

The system consists of 3 Pre-filters: PP sediment filter; Carbon KDF (GAC) filter; and Carbon block (CTO) filter, which remove large contaminants and protect the RO membrane from chemicals like chlorine and chloramines. At the heart of the system is the Reverse Osmosis (RO) filter that removes contaminants down to 0.0001 microns. Finally, the GAC filter gives the water one last pass just before it is delivered to the faucet.

It takes 3 gallons of water to produce a gallon of filtered water through this system, which might sound like a lot, but is actually below average (4 gallons of waste water) and matches that of the Aquasana OptimH2O. This system should be compatible with the Watts Premier ZeroWaste® Reverse Osmosis Retrofit Kit, but it is important to check first with the manufacturer. This system would allow you to divert waste water into the hot water supply (away from drinking water) and reduce water waste. You may then want to install a shower water filter, however.

One thing to note before you opt for the iSpring is that the system requires a feed-water pressure of 40-80 psi (ideally between 45 and 70 psi). Below 40 psi, you’ll need a permeate pump; above 80 psi and you’ll need a pressure regulator.

The iSpring RCC7 is designed for do-it-yourself installation by most users, with the entire system fitting nicely under a standard kitchen sink. Replacement filters are standard sized and sold at factory direct pricing but are a little fiddly to change (requiring that you shut off water supply and drain the unit). There are some reports of leakage from the unit due to internal pressure when the main water supply is shut off, so have some old rags or a tray handy when performing maintenance on the unit.

The whole system is backed by a 1-year money-back guarantee, a 1-year manufacturer warranty and iSpring’s lifetime technical support (provided in Georgia, USA).

iSpring RCC7 vs. Aquasana OptimH2O and Watts Premier RO Pure Plus

The iSpring RCC7 is an economical, 5-stage, Reverse Osmosis filtration system that is easy-to-install, low maintenance, effective, and high capacity. It’s not quite up to the standard of the Aquasana OptimH2O in terms of filtration and treatment efficacy, and the Watts Premier RO Pure Plus also has it beat on performance and certifications as well as ease of filter changes, but the iSpring is a fantastic option for larger families and lower budgets. It is also compatible with the ZeroWaste® RO Retrofit Kit from Watts Premier, helping you to conserve water.

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