ERO 375 Water ReviewBy John Davis - August 27, 2015
The ERO 375 is an under the sink Reverse Osmosis water filtration system. Like other Reverse Osmosis systems, the ERO 375 uses a tank to store filtered water. You’ll want to keep that in mind if you have limited space under your counters.
Water is forced through three different filters which means you’ll get a quality filtered water, free from many common contaminants.
How is the System Performance?
After being filtered, water accumulates in a storage tank with the ERO 375 system. There is an automatic shut off feature installed on this tank. That means that when it’s full the system stops filtering water. This saves a good deal of water, and surprisingly some other systems actually lack this feature.
The ERO 375 has a dedicated faucet for its filtered water. This faucet installs on your sink right next to your regular faucet. A benefit of choosing the ERO 375 is that the company gives you a choices between five different finishes on the faucet. A drawback of this system is that some users have commented that their faucets have been leaky.
The flow rate for this system depends on your water pressure and how contaminated your water is. However, there have been no complaints from consumers about their water coming out slower than they want.
What about the Filtration System?
The ERO 375 uses three different filters that work together to filter water and deliver a high quality drinking water.
The first filter, often referred to as the “pre filter” removes the the largest particles from the water. Those include sediment, chlorine taste, odor and particulates.
The second filter is a semi-permeable membrane. This filter uses extremely small pores to filter out finer particles. Water is pushed through at a high pressure which effectively removes a high percentage of all dissolved solids.
The third filter, often referred to as a “post filter” has an activated carbon design. This is a very common type of water fitler because activated carbon has a large surface area and is capable of filtering immense amount of water before needing to be replaced. However, the ERO 375 uses this filter slightly differently than other systems.
After leaving the semi-permeable membrane, water actually flows directly to the storage tank. When you activate the faucet, only then does water flow out of the tank and through the third filter. This ensures the freshest taste possible.
Both the pre and post filter will need to be changed every 650 gallons, which means about every 6 months for most homes. The semi-permeable membrane is rated for 36 months.
All the filters have been certified by NSF (The Public Health and Safety Organization) and ANSI (American National Standards Institute) by standards 42 and 58. This means that the filters have been tested and proven to work effectively.
While the ERO 375 is good choice for a home water filter, you should be aware that it’s not as effective at filtering out some compounds as other filters. For example, the ERO 375 is rated to filter “some” chlorine, while other systems on the market filter anywhere from 97 to 99% of chlorine.
Specification and Design
The ERO 375 is designed to work with an input pressure of 40 PSI (Pounds per Square Inch) to 100 PSI. Also, it requires a minimum water temperature of 40 degrees fahrenheit and a maximum temperature of 100 degrees.
The unit is designed to sit under your sink, although as it uses a storage tank, it will take up more room than an inline water filter.
It weighs 17 pounds and is 12.5’’ wide x 4.25’’ deep by 17’’ tall.
By far the largest drawback of this water filter is its high price. Interestingly it’s impossible to find a price for this unit on either the manufacturer’s website or Amazon. However, Consumer Reports has stated that this unit costs $675.
That’s anywhere from two to three times the price of other Reverse Osmosis systems on the market. Given that this system has no notable features that make it stand out, this is an entirely unjustified price.
This trend continues with the filters. It costs $96 to replace the pre and post filter. Again, not only is this price higher than other filters, but most other filters on the market last 12 months while these last only 6. That means you’ll end up paying more than twice as much for replacement filters as you would with a different brand.
Finally, the semi-permeable membrane costs $139, although it is rated to last for 36 months.
Installing the ERO 375
Any homeowner with the correct set of tools can install this system him or herself. The process is relatively uncomplicated and doesn’t require a large amount of time.
You can find a very comprehensive installation guide by clicking here.
On the other hand if you want a professional plumber to install this system it can cost anywhere from $40 to $100.
Warranty and Support
Instead of having one uniform warranty, each piece of the ERO 375 water filter has its own warranty. There is a:
-10 year guarantee for the holding tank
-5 year guarantee for all other parts of the filtration system
-3 year guarantee for the electronic faucet
-1 year guarantee for the semi-permeable membrane
-No warranty for pre and post filters
If you need support for this system there is a toll free line for both the United States and Canada. Additionally, there are physical offices in Minnesota and Ontario.
- Comes with a dedicated faucet available in many finishes
- Has NSF certified filters
- Warranty coverage is better than average for the industry
- This system is significantly overpriced
- Replacement filters are expensive
- Filters fewer compounds than other systems on the market today
- Prone to breaking even with normal use
- Overall lack of confidence in the company
Strangely, this item is not listed on Amazon. However, there are several ratings on Consumer Reports and they are not entirely flattering.
Two people left 4 out of 5 stars and one person left a 1 out of 5 star review.
Several consumers have also mentioned that the manifold on the storage tank can break which can cause extensive leaking.
Ten years ago when there were less filters on the market this may have been a good choice. Today, however, there is no reason to buy this system.
The ERO 375 has double or triple the price tag of other systems on the market and it has no notable feature that justifies that price. In fact, it even seems to have accrued more negative feedback than other filters and the fact that it’s not listed on Amazon is odd.
If you’re going to go through the trouble of installing a water filter, you should install one that isn’t prone to break and isn’t going to cost you a fortune in filters.
A water filtration system like the APEC 90 High Flow Reverse Osmosis water filter will be a far better choice for most homeowners. The ERO 375 seems like a product that must surely be on its way out.
What is Reverse Osmosis?
In it’s simplest form reverse osmosis is the process of using pressure to pass water from a more concentrated area through a semi-permeable membrane to a less concentrated area.
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