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 $3,174.98$3,174.98
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 Luminor Blackcomb LB5-151 costs $2,334.83 less ($840.15 vs $3,174.98).
Luminor Blackcomb LB5-151
#2 in Up to 12 GPMFull review
A well built Canadian unit with an honest 12 GPM rating at the full dose, for a typical well home. Buy the LB6 version if you want a sensor from day one.
Amazon $840.15$840.15
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
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 | Luminor Blackcomb LB5-151 |
|---|---|---|
| Overall rating | 3.4/5 | 2.7/5 |
| Value 25% | 0 $317.50 per GPM ($3,174.98, 10 GPM at 40 mJ/cm²) | 54 $70.01 per GPM ($840.15, 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 | 6 9,000 hour mercury lamp |
| Warranty 25% | 44 5-year warranty | 22 3-year warranty |
Specifications
| Viqua PRO10 | Luminor Blackcomb LB5-151 | |
|---|---|---|
| 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 | 50 W |
| Lamp life | 18,000 hours | 9,000 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 | 304 stainless steel |
| Ports | 1.2 in | 1 in |
| Maximum pressure | 125 psi | 150 psi |
| Voltage | 120 V | 120 V |
| Warranty | 5 years | 3 years |