A large home unit with a published Class A dose flow and a 3 year controller warranty, for less than Viqua’s monitored models. Add a sensor if no one tests the water.
Amazon $1,069.14The Luminor Blackcomb LB5-201 is the better UV water purifier overall, rated 2.7 to 2.2. The Luminor Blackcomb LB5-201 leads on certification and warranty. The iSpring UVF50 LED costs $569.15 less ($499.99 vs $1,069.14).
The larger of iSpring’s LED units, for a home that wants mercury free UV with 1 in plumbing. As with all LED units here, little about its dose is published.
Amazon $499.99Prices 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 Luminor Blackcomb LB5-201 for certification (not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose vs not NSF/ANSI 55 certified, and no UV dose published) and warranty (3-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 12 GPM UV water purifier; a clear win is highlighted. How we rank explains each one.
| Factor weight | Luminor Blackcomb LB5-201 | iSpring UVF50 LED |
|---|---|---|
| Overall rating | 2.7/5 | 2.2/5 |
| Value 25% | 55 $66.82 per GPM ($1,069.14, 16 GPM at 40 mJ/cm²) | 43 $94.34 per GPM ($499.99, 5.3 GPM at 40 mJ/cm², from 13.2 GPM at an unstated dose taken as 16) |
| Certification 20% | 30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose | 0 not NSF/ANSI 55 certified, and no UV dose published |
| Monitoring 20% | 40 lamp failure alarm, lamp change countdown | 50 monitoring not published (neutral score used) |
| Lamp life 10% | 6 9,000 hour mercury lamp | 0 8,000 hour LED lamp |
| Warranty 25% | 22 3-year warranty | 0 1-year warranty |
Specifications
| Luminor Blackcomb LB5-201 | iSpring UVF50 LED | |
|---|---|---|
| Disinfection | ||
| Rated flow | 16 GPM at 40 mJ/cm² | 13.2 GPM |
| NSF/ANSI 55 | No | No |
| Lamp | Mercury | LED |
| Lamp power | 42 W | - |
| Lamp life | 9,000 hours | 8,000 hours |
| Monitoring | ||
| UV intensity sensor | No | - |
| Lamp failure alarm | Yes | - |
| Lamp change countdown | Yes | - |
| Shutoff valve | No | - |
| Build | ||
| Chamber | 304 stainless steel | - |
| Ports | 1 in | 1 in |
| Maximum pressure | 150 psi | - |
| Voltage | 120 V | - |
| Warranty | 3 years | 1 year |
