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 $840.15The Luminor Blackcomb LB5-151 is the better UV water purifier overall, rated 2.7 to 2.6. The Viqua VH200 costs $155.15 less ($685 vs $840.15).
A dependable small home or cabin unit from the biggest name in residential UV, with a real controller warranty. Larger homes need the VH410 or a monitored system.
Amazon $685Prices 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.
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 | Luminor Blackcomb LB5-151 | Viqua VH200 |
|---|---|---|
| Overall rating | 2.7/5 | 2.6/5 |
| Value 25% | 54 $70.01 per GPM ($840.15, 12 GPM at 40 mJ/cm²) | 41 $97.86 per GPM ($685, 7 GPM at 40 mJ/cm²) |
| Certification 20% | 30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose | 30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose |
| Monitoring 20% | 40 lamp failure alarm, lamp change countdown | 40 lamp failure alarm, lamp change countdown |
| Lamp life 10% | 6 9,000 hour mercury lamp | 6 9,000 hour mercury lamp |
| Warranty 25% | 22 3-year warranty | 22 3-year warranty |
Specifications
| Luminor Blackcomb LB5-151 | Viqua VH200 | |
|---|---|---|
| Disinfection | ||
| Rated flow | 12 GPM at 40 mJ/cm² | 7 GPM at 40 mJ/cm² |
| NSF/ANSI 55 | No | No |
| Lamp | Mercury | Mercury |
| Lamp power | 50 W | 25 W |
| Lamp life | 9,000 hours | 9,000 hours |
| Monitoring | ||
| UV intensity sensor | No | No |
| Lamp failure alarm | Yes | Yes |
| Lamp change countdown | Yes | Yes |
| Shutoff valve | No | No |
| Build | ||
| Chamber | 304 stainless steel | 304 stainless steel |
| Ports | 1 in | 1 in |
| Maximum pressure | 150 psi | 125 psi |
| Voltage | 120 V | 120 V |
| Warranty | 3 years | 3 years |
