AquasureQuantum 18 GPM Multi-Stage UV System

5.9
Usability5.9Social5.8

19th of 55 we've scored in Whole House

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5.9
SVT SCORESRead review

48 watt high-output UV with integrated pre-filtration at 18 GPM, the largest system Aquasure sells.

$1,000

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SKU: AS-WHUV18HO Category: Brand:

Usability

Usability

Usability Score
Eighteen GPM Multi-Stage, Uncertified Against Standard 55

Pairing high-output UV with integrated pre-filtration on one bracket is the right engineering answer for a well, because UV dose collapses when turbidity blocks the lamp and a bare chamber cannot protect itself. At 18 GPM and 48 watts this is the only Aquasure UV product with enough capacity for a large house, and the multi-stage arrangement is what separates it from bolting the 12 GPM unit behind a cartridge filter. The price is the objection: a thousand dollars buys a certified UV system from several competitors, and this one carries no NSF/ANSI 55 listing at all, which is the standard written specifically to verify that a UV system delivers its claimed dose. For a product sold to people whose water may be microbiologically unsafe, an unverified dose is a materially different proposition than an unverified taste claim. Filters are replaced as a kit rather than individually, which raises running cost. It also rates lowest of the three Quantum units at Home Depot, on a small pool.

PROS
  • 48 watt high-output lamp and 18 GPM, the only Aquasure UV system sized for a large home
  • Integrated pre-filtration protects UV dose from turbidity rather than leaving it exposed
  • 304 stainless steel chamber
  • Aimed explicitly at well water and untreated supplies rather than municipal polish
  • Three year warranty on registration within 60 days
CONS
  • No NSF/ANSI 55 certification, which on a disinfection product is the certification that matters
  • A thousand dollars buys a certified UV system from several competitors
  • Replacement filters are sold as a kit rather than individually, raising running cost
  • No flow sensor: the lamp runs continuously
  • Rates 4.2 of 5 at Home Depot, the lowest of the three Quantum units
  • No published dimensions for a wall-mounted assembly of this size

The Aquasure Quantum Series 18 GPM Multi-Stage combines a 48 watt high-output UV-C chamber with upstream filtration stages in a single mounted assembly, sized by the manufacturer for four to six or more bathrooms and up to eight people. The chamber is 304 stainless steel and the system is aimed specifically at well water and untreated supplies. Replacement filters are sold as a kit under AF-WHUV18HO.

Social Scores

Social Scores

Social Score

Product-line and brand-level. Home Depot carries a native pool on the 18 GPM high-output UV chamber, with verified-purchase entries and Aquasure replying under its own support address. The Home Depot model string differs from this multi-stage SKU, so the figure is recorded at product-line scope rather than as this exact assembly's. Independent editorial and video coverage of Aquasure remains dominated by the Harmony softeners and nothing tests the Quantum UV line, so those pools are brand-level. The rating shown on aquasureusa.com runs through Judge.me on Aquasure's own site and is the manufacturer's widget, so it is not scored.

Additional information

Specification: Aquasure Quantum 18 GPM Multi-Stage UV System

Water Filtration Specifications
Certifications

Not certified

Contaminant Removal

Chlorine, Sediment, Taste and Odor, Bacteria, Viruses

Filter Lifespan / Capacity

6-12 months

Flow Rate / Water Pressure

15-25 GPM

Connection Size

3/4 in

Filtration Type

Granular Activated Carbon, Sediment, UV

Housing Material

Stainless Steel

General Specifications
Warranty

3 Years

Weight

60 lb (shipping)

Country of Origin

Not stated

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