Best UV Water Purifiers

The Best UV Water Filter Systems

Best UV Water Disinfection Systems

UV water disinfection systems are highly effective at eliminating harmful microorganisms like bacteria, viruses, and parasites. Discover top-selling UV water disinfection systems for a variety of applications.

We give our top picks for UV water sterilizers for:

Best UV Systems for Well Water

the first recommended well water UV systemThe Viqua D4+ UV system provides peace of mind as it incorporates a UV sensor that constantly monitors to ensure that the proper dosage of UV light is treating the water entering your home. If the sensor registers there is an issue, it will sound an audible alarm to make you aware. This is especially valuable for wells that have tested positive for coliform bacteria in the past. This system also includes an LCD screen that makes the system very user-friendly. With flow rates of 12 gallons per minute, the D4+ is ideal for households with up to four bathrooms. The system has a 10-year warranty on the UV chamber, along with 3 years on electrical components and 1 year warranty on the lamp and sleeve.

Pros of D4
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Includes UV sensor to monitor UV light dose
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Audible alarm warns when water is not being treated
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Can treat home with up to 4 bathrooms at 12 gallons per minute
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Offers peace of mind for those with past positive coliform bacteria tests


Cons
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More expensive than other UV models
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Does not include pre-treatment often needed for well water
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Cannot treat during a power outage

the first recommended well water UV systemThe compact Viqua VH200, provides a cost-effective solution for obtaining a high-quality system with a robust warranty. It effectively treats all the water entering your home, safeguarding against potential bacteria in your well. This 9 GPM "point of entry" UV disinfection system is well-suited for households with up to three bathrooms.

Pros of VH200
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Economical system with strong warranty
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Treats all water coming into home for Cryptosporidium, Giardia, E.coli, Fecal Coliform, and more
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Improved Taste as prefilters reduce sediment, grit, rust, lead, & chlorine
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Annual UV lamp replacement is typically all that is required for system maintenance


Cons
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May not be suitable for larger homes
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More expensive than many UV systems
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Cannot treat during a power outage

the first recommended well water UV systemIf you're on well water and currently have no other filtration systems installed, the Viqua IHS22-D4 UV water purifier is the ideal solution. This system provides the necessary pre-treatment to keep the UV system working at peak performance, by reducing the opportunity for bacteria to bypass the UV system untreated due to sediment in the water. Also, the integrated carbon filter will remove organics and improve overall taste and odor of the water.

Pros of IHS22-D4
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Easy to install and maintain
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Treats 12 GPM or homes with up to 3 bathrooms
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Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
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Cost effective - annual UV lamp replacement is typically all that is required for system maintenance


Cons
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May not be suitable for larger homes
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More expensive than some UV systems
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Cannot treat during a power outage

Best UV Single Faucet Systems

the first recommended well water UV systemThe Viqua VT1 works great as a companion to a reverse osmosis drinking water system if installed after the RO inline (going to RO faucet). This UV system provides added protection from bacteria and viruses, not provided by reverse osmosis system.

Pros of VT1
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Effective disinfection
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Easy to install
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Requires very little maintenance
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Great paired with under-sink RO
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Energy efficient
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Space saving design

Cons
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Low flow rates
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Adresses microbial contaminants only
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Needs electricity to operate
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Requires authentic VIQUA lamp

the first recommended well water UV systemThe Viqua VT4 is an effective UV water sterilization system that is easy to install and use. Capable of treating up to 3.5 gallons of water per minute, ensuring that all cold water from the main faucet is bacteria and virus-free. Employing a high-output UV lamp, the VT4 efficiently protects against waterborne microorganisms, making it a popular choice for both residential and commercial use.

Pros of VT4
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Higher flow rates
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Effective disinfection
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Easy to install
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Requires very little maintenance
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Energy efficient
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Environmentally friendly
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Outstanding warranty

Cons
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Initial cost
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Limited filtration
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Requires electricity
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Requires authentic VIQUA lamp
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Only works for certain water types

Best UV Systems for Whole House

the first recommended well water UV systemThe VIQUA IHS22-D4 is a comprehensive water disinfection solution utilizing UV light to eradicate 99.99% of harmful microorganisms, including bacteria, viruses, and other microorganisms in your water supply.

This 12 GPM whole-home UV disinfection system works well for homes on city, well, or rainwater. The VIQUA IHS22-D4 is an integrated UV system which combines potent water disinfection with effective pre-filtration, capable of removing chemicals, metals, sediment, and enhancing the overall taste and odor of your water.

Pros of IHS22-D4
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Easy Installation - Preassembled on heavy-duty steel bracket
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Consistent UV performance - validated through microbial testing to destroy Cryptosporidium, Giardia, E.coli and Fecal Coliform
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Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
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Cost effective - annual UV lamp replacement is typically all that is required for system maintenance


Cons
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Does not include premium D4 controller with LCD screen
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Slightly more expensive than purchasing components separately
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Included filters are not sufficient for filtering "hard water"; additional filtration may be needed

the first recommended well water UV systemThe VH200-F10 is a top-selling whole-house UV water filtration system designed for residential use. It encompasses a built-in 5-micron sediment prefilter. With flow rates up to 9 GPM, its best suited for homes with 1-3 bathrooms. Additionally, it incorporates a helpful end-of-life timer, providing an audible countdown for the replacement of the system's UV lamp.

Pros of VH200-F10
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Convenient - Filter housings and UV system preassembled and mounted on a heavy-duty, powder-coated steel bracket for small footprint
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Dependable - constant current feature ensures stable UV performance regardless of power fluctuations
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Heavy-duty - Ultraviolet chamber is made of Stainless Steel so reliable in different temperatures, pressure, and pH. Won't deteriorate from exposure to high-intensity UV light
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No Risk - 10-year warranty on UV chamber, 3 years on hardware and electrical, 1 year warranty on lamp, sensor and sleeve


Cons
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Basic controller not as user friendly as the Viqua D4 system
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Only good for up to 3 bathrooms
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Must operate with authentic Viqua lamp. Installing an inexpensive "knock-off" lamp can void the system warranty

Best UV Systems for Rainwater Catchment

The Viqua IHS22-D4 is an excellent option for anyone looking for an efficient and reliable water treatment system to filter harvested rainwater. This system is designed to make sure the collected water is safe for use by effectively removing contaminants and killing any living microorganisms that may be present in the water. This compact, conveniently-designed system includes three stages of filtration to make sure your collected water is safe from bacteria and tastes great. The integrated sediment filter removes fine particulates, while the carbon filter removes organics and contaminants from the water, thus improving the taste and odor of the water. The UV light then sterilizes the water killing any living microorganisms. A simple plug-and-play solution for treating stored water.

Pros of IHS22-D4
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Easy to install and maintain
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Treats 12 GPM or homes with up to 3 bathrooms
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Improved Taste - Prefilters reduce sediment, grit, rust, lead, & chlorine
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Cost effective - annual UV lamp replacement is typically all that is required for system maintenance


Cons
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May not be suitable for larger homes
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More expensive than some UV systems
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Requires regular maintenance including filter and UV bulb changes

Best UV Systems for Restaurants

Incorporating a UV water disinfection system into a restaurant's water treatment plan can significantly enhance overall water quality and safety.

The following two systems ensure that the water used for food preparation and serving customers is free of harmful bacteria and viruses. UV sterilizers offer an additional layer of defense against these waterborne microorganisms, which is particularly crucial if the water source is compromised, such as during a boil water notice. In fact, a restaurant may be able to keep their doors open while others under the water notice will need to close until the notice/advisory is lifted.

Below, you'll find three UV water filtration systems that are excellent options for restaurant applications.

With its NSF 55 Class A certification for UV water treatment, the Viqua PRO10 is a top choice among restaurant owners. With flow rates of up to 10 gallons per minute, Viqua PRO10 UV sterilizer is loaded with features, including high UV dosage, UV light monitoring, durable two-year lamp lifespan, and strong warranty. Additionally, there are similar systems available with capacities rated at 20 and 30 gallons per minute.

Pros of Pro10
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NSF 55 Class A UV water certified system
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Treats up to 10 gallons per minute
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UV sensor monitors UV dose intensity
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Flow meter calculates real-time UV dose for water flow rate
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LED displays system components’ status and functionality
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10-year warrant on Viqua reaction chamber; 5 years on electrical parts, and 1-year warranty on lamp


Cons
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Prefiltration filters not included
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Requires regular maintenance of UV lamp replacements and quartz sleeve cleaning
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Will not work during power outages - electricity required

The Viqua PRO24-100 UV system is certified by the USEPA for a 2-Log reduction in viruses and adheres to rigorous standards. This makes it easy for restaurant proprietors to adhere to EPA Ground Water Rule and LT2 regulations in the United States, for flow rates of up to 24 gallons per minute. This high-dosage UV disinfection system continuously monitors the UV light exposure of the water and logs this data for performance analysis.

Pros of Pro24-100
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USEPA 2-LOG Certified System
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Can treat up to 24 gallons per minutes
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UV sensor ensures proper UV dosage
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Very higher UV dosage requirement of 100 mJ/cm2, resulting in longer UV contact time with water and greater disinfection
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Flow meter monitors and restricts flow rates to system maximum
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Monitoring system provides real-time feedback of system’s UV dosage, lamp hours, and alarm history (information is recorded and downloadable to PC)

Cons
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Prefiltration filters not included
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Cannot remove pesticides and other chemicals
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Cannot treat during a power outage

The Viqua PRO24-186 UV system is certified by the USEPA for a 4-Log reduction in viruses and adheres to rigorous standards. This makes it easy for restaurant proprietors to adhere to EPA Ground Water Rule and LT2 regulations in the United States, for flow rates of up to 24 gallons per minute. With its dual chamber design, this system continuously monitors the UV light exposure of the water and logs this data for performance analysis.

Pros of Pro24-186
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Includes two chamber ultra-high output Viqua UV lamps featuring Cool Touch fan technology
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3rd party validation for Adenovirus (4-log virus)
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Can treat up to 24 gallons per minute for restaurants and other light commercial applications
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UV sensor and flow meter provide constant feedback on UV disinfection and system performance
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Data can be constantly recorded for analyzing system performance

Cons
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Prefiltration filters not included
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Cannot remove pesticides and other chemicals
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Cannot treat during a power outage

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