Viqua PRO10
#1 in Up to 12 GPMFull review
For a home whose well, lender or health department needs a certified Class A system. Overkill for a cabin that just wants a budget backstop.
Amazon $3,175$3,175
The Viqua PRO10 is the better UV water purifier overall, rated 3.4 to 2.7. The Viqua PRO10 leads on certification, monitoring and warranty. The Aquasana Max Flow UV AQ-UV-15C costs $2,376 less ($799 vs $3,175).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Aquasana Max Flow UV AQ-UV-15C
#2 in Up to 12 GPMFull review
A solid 12 GPM unit with an honest dose rating, for a typical well home that wants an easy Amazon return. A Luminor LB5-151 does the same for a similar price.
Amazon $799$799
Which should you buy?
- Choose the Viqua PRO10 for certification (NSF/ANSI 55 Class A vs not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose), monitoring (UV intensity sensor, lamp failure alarm, shutoff valve, lamp change countdown vs lamp failure alarm, lamp change countdown) and warranty (5-year warranty vs 3-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 12 GPM UV water purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Viqua PRO10 | Aquasana Max Flow UV AQ-UV-15C |
|---|---|---|
| Overall rating | 3.4/5 | 2.7/5 |
| Value 25% | 0 $317.50 per GPM ($3,175, 10 GPM at 40 mJ/cm²) | 56 $66.58 per GPM ($799, 12 GPM at 40 mJ/cm²) |
| Certification 20% | 100 NSF/ANSI 55 Class A | 30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose |
| Monitoring 20% | 100 UV intensity sensor, lamp failure alarm, shutoff valve, lamp change countdown | 40 lamp failure alarm, lamp change countdown |
| Lamp life 10% | 44 18,000 hour mercury lamp | 5 8,760 hour mercury lamp |
| Warranty 25% | 44 5-year warranty | 22 3-year warranty |
Specifications
| Viqua PRO10 | Aquasana Max Flow UV AQ-UV-15C | |
|---|---|---|
| Disinfection | ||
| Rated flow | 10 GPM at 40 mJ/cm² | 12 GPM at 40 mJ/cm² |
| NSF/ANSI 55 | Class A | No |
| Lamp | Mercury | Mercury |
| Lamp power | 100 W | 45 W |
| Lamp life | 18,000 hours | 8,760 hours |
| Monitoring | ||
| UV intensity sensor | Yes | No |
| Lamp failure alarm | Yes | Yes |
| Lamp change countdown | Yes | Yes |
| Shutoff valve | Yes | No |
| Build | ||
| Chamber | 316L stainless steel | 304L stainless steel |
| Ports | 1.2 in | 1 in |
| Maximum pressure | 125 psi | 100 psi |
| Voltage | 120 V | 120 V |
| Warranty | 5 years | 3 years |