A compact Blackcomb for a cabin or small home with low peak flow. A two bathroom house should step up to the LB5-101.
Amazon $538.82
Viqua’s smallest home unit, for a cottage or a one bathroom home with low flow. Most houses need the VH200 or larger.
- 3.5 GPM at 40 mJ/cm²Flow
- NoNSF/ANSI 55
- MercuryLamp
- 3 yearsWarranty
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Only 13 in long, so it fits a cabin or a tight utility closet
- Shows days left on the lamp and alarms if the lamp fails
- Same chamber, controller and warranty as Viqua’s larger home units
- Only 3.5 GPM at the full 40 mJ/cm² dose; the 5 GPM headline is at 30 mJ/cm²
- No UV sensor, so a fouled sleeve goes unnoticed
- A genuine S150RL-HO lamp costs about $135 on Amazon every year
- Not NSF certified
The Viqua VH family
Every Viqua VH model we rank, smallest first. Ratings compare each against its own flow.
| Model | Flow | Rating | Price |
|---|---|---|---|
| Viqua VH150 (this one) | 3.5 GPM at 40 mJ/cm² | 2.4/5 | $600 |
| Viqua VH200 | 7 GPM at 40 mJ/cm² | 2.6/5 | $685 |
| Viqua VH410M | 14 GPM at 40 mJ/cm² | 3.0/5 | $1,310 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its flow. How we rank explains each one.
Specifications
| Model number | VH150 |
|---|---|
| Disinfection | |
| Rated flow | 3.5 GPM at 40 mJ/cm² |
| NSF/ANSI 55 | No |
| Lamp | Mercury |
| Lamp power | 22 W |
| Lamp life | 9,000 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 |
| Maximum pressure | 125 psi |
| Voltage | 120 V |
| Warranty | 3 years |
Alternatives in this flow
A compact budget unit for a tight utility room, with cheap lamps. Like other budget units it tells you little about the dose.
Amazon $259.99The lowest cost way to add a UV lamp to a filtered well system, with three years of lamps included. Little is published beyond that.
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