Whirlpool WHER25 Review

Whirlpool WHER25 ReviewThe Whirlpool WHER25 reverse osmosis machine is sleek and compact water filtration system that is easy to set up and use. It Is durable, built to last, and is one of the more affordable systems you will have to choose from. If you want great tasting water that is free of unwanted and harmful contaminants, then this is a great one to consider.


If you want a system that will really deliver safe drink water, then you will be happy to hear that this reverse osmosis machine is both NSF and third party tested as well as NSF certified for both quality and safety. This system is also incredibly simple to set up and get to using. It has an LED indicator light that will let you know when it is time for you to go and switch out your system’s filter.

All in all, this reverse osmosis water filtration system will rid your water supply of up to 99% of the contaminants that it may be riddled with. Some (but not all) of the contaminants include ammonium, Arsenic, Barium, bicarbonate, bromide, Cadmium, chemicals, chlorine, Chromium, Copper, dissolved solids, Fluoride, heavy metals, lead, microbial cysts, magnesium, nitrate, nitrite, radium, sediment, selenium,sodium, sulfide, tannin, unwanted taste and odor, turbidity, viruses, and Zinc.

Materials and Installation

The Whirlpool Wher25 reverse osmosis water filtration system features three different stages of filtration to ensure you get delicious tasting water that is safe to drink. While there are plenty of systems with five, six, and even seven or more stages of filtration, this system is still a great option for those of you with smaller households and access to a higher quality supply.

Not only is this system more affordable than many other systems you will have to choose from, but your purchase will come with everything you need to get it installed and set up. All of the system’s components are made in the United States and designed to ensure the system is built to last. This is a compact undersink system that fits the standard kitchen undersink space and still leaves some room for storage.

Your purchase will come with the system’s water faucet, a filter set for the first month, a membrane that will last two years, the water storage tank, and all of the tubing and connectors you need for a leakproof installation. The tubing and connectors are all also color coded for easy set up and you can easily do it yourself thanks to the easy to follow installation instructions that comes with your system.


As far as maintenance goes, this is reverse osmosis water filtration system is pretty easy to maintain and keep up with. The most useful maintenance feature this system has to offer is the LED EZ-Change indicator light. This LED light will let you know when it is time for you to switch out your filters, so you don’t have to worry about dealing with overly dirty filters or the risk of contaminating
your drinking water.

This system features three different filtration stages and the pre and post filters will only need to be changed twice a year—or every six months. The reverse osmosis membrane, which is the heart o the system, will also last you for up to two year—so, you will only have to replace this part of your system every two years! When the time comes to switch your filters out, you will love the system’s UltraEase technology that allows you to easily replace your filter without making a mess.

Pros and Cons


• More cost effective than other reverse osmosis systems
• NSF certified
• Filter indicator light
• Color coded tubing for easy installation
• Patented technology for easy filter changes


• No remineralization or water softening stages
• Specially sized sinks may need additional components
• Not a good option for well water or really poor water quality


If you want a reverse osmosis machine that you can trust to last you the long haul, the Whirlpool Where25 is one of the best options to choose from. This system is perfect for those of you looking for an undersink system that still allows for storage space beneath your sink. It comes with a sleek and compact faucet that is easy to use and will look great in any kitchen.

The Whirlpool Wher25 is also NSF certified for quality and safety and is one of the more cost-effective options you currently have to choose from. The indicator light is a convenient feature it offers and makes it easy for you to know when it is time for you to replace your filter with a new one.

All in all, this reveres osmosis water filtration system, by Whirlpool, is a great option for smaller households. If you already have access to pretty clean water supply, then this one will definitely do the job. However, it is important to note that this RO system is not a good option for those of you with well water or really poor water quality.

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