VIQUA D4 Premium Whole Home UV System (12 gpm) review
UV disinfection. Plumber recommended if you are not comfortable with this install. Skill and code, not a preference. Listed to NSF/ANSI 55.
What it removes
| Contaminant | Evidence | Stated reduction | Scope |
|---|---|---|---|
| Total Coliform | Certified | not stated | class b |
| E. coli | Manufacturer-reported | 99.99% |
Certified is an NSF, WQA, or IAPMO listing for that claim.
Microbes, when the water is already clear.
Certifications
- NSF/ANSI 55: class b (from the manufacturer's page, not yet checked against the certifier's database)