Express WaterROUV10 Ultraviolet Reverse Osmosis System
Adds mains-powered UV sterilisation after the membrane for well water and post-filter recontamination.
$270
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Usability
Usability
This is aimed at private-well households that want microbiological insurance downstream of the membrane, and for that job the logic is sound - an RO membrane already excludes bacteria and cysts mechanically, so UV is a second barrier against anything that colonises the tank or tubing. The cost is a mains outlet under the sink, a lamp that needs replacing on its own schedule, and sixty-three dollars over the plain RO10. Express Water holds no NSF/ANSI 55 certification for the UV stage and publishes no dose figure in mJ/cm2, so there is no way to verify the sterilisation performance against a standard. For a well owner the honest position is that this is a reasonable belt-and-braces addition, not a substitute for testing the source. Anyone on treated municipal water is buying a stage they do not need.
- Second microbiological barrier downstream of the membrane, useful on private wells
- 12-16 W lamp on standard 110 V, no separate ballast enclosure
- Shares cartridges and housings with the rest of the Express Water RO range
- Leak-detection pad included
- Same 4-gallon tank and 0.8 GPM faucet as the base system
- No NSF/ANSI 55 certification for the UV stage and no published dose figure
- Requires a mains outlet under the sink, which many cabinets do not have
- Lamp is an extra consumable on its own replacement schedule
- One-year warranty
- Redundant on treated municipal supplies
- 50-100 GPD production, slow against tankless systems at this price
The ROUV10 is the standard Express Water under-sink RO platform with a 12-16 W ultraviolet sterilisation stage added after the membrane, running on mains power. The rest is unchanged: sediment, carbon, membrane and post carbon, a 50-100 GPD rating, a 4-gallon tank holding about 3.2 gallons usable, and a 0.8 GPM faucet. The UV lamp is a consumable with its own replacement interval separate from the cartridges.
Additional information
Specification: Express Water ROUV10 Ultraviolet Reverse Osmosis System
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Questions answered from our data
How much does a reverse osmosis system cost?The 69 reverse osmosis systems we list run from $165 to $3,779, with a median of $367.
How long do reverse osmosis filters last?Of the 69 reverse osmosis systems we list, 64 state a filter life; the most common is 6-12 months (62).
Does reverse osmosis remove fluoride?63 of the 76 reverse osmosis systems we list claim to reduce fluoride.
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