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Best sellerDrinking Water Systems
BG800 AlkaPro Tankless RO
800 gallons a day, 7 stages, no bulky tank under your sink.
Tankless reverse osmosis that filters down to 0.0001 microns, fine enough to take out lead and other heavy metals, dissolved solids, chlorine and common contaminants. Because it's tankless, you get water on demand and your under-sink cabinet back.
Best for: Anyone who wants better drinking and cooking water
Inside the system
Features
- 800 GPD tankless reverse osmosis
- 7-stage filtration at 0.0001 micron precision
- Removes lead and other heavy metals, dissolved solids and chlorine
- Coconut-shell carbon block post-filter for taste
- Faucet color-matched to your appliances
- Quick-connect fittings, filter changes you can do yourself
What reverse osmosis removes
- Arsenic
- Nitrate and nitrite
- Fluoride
- Lead and heavy metals
- Uranium and chromium-6
- Chlorine and disinfection byproducts
- Sediment and dissolved solids
- Mineral taste and odor
Full specifications
Key specifications
| Type | Tankless, under-sink |
| Filtration stages | 7 |
| Production | 800 GPD, made on demand |
| Flow rate | 0.53 GPM |
| Filtration precision | 0.0001 micron |
| Waste ratio | 2:1 |
| Remineralization | Built-in alkaline stage |
| Faucet | Dedicated, five finishes |
| Cabinet space | No storage tank |
| Filter changes | Quick-connect cartridges, DIY |
| Monitoring | Faucet-mounted monitor |
| Pairs with | Any whole-home system, or on its own |
Installation, upkeep & warranty
| Installation | Included: dedicated faucet, drain saddle, cold-water tie-in |
| Location | Under the kitchen sink, or wherever the drinking tap goes |
| Upkeep | Owner-replaceable quick-connect cartridges |
| Certification | NSF/ANSI 58 |
| RO system warranty | 1 year |
| Labor warranty | 1 year from date of purchase |
Warranty on this system
Specifications from the manufacturer's documentation. Component brands and certifications are those of their respective manufacturers. Full warranty terms and a printable spec sheet available on request.
Free water test
Book your water test
Half a minute to fill in. We'll call to find a time that works around you.
- Hardness, chlorine, TDS, iron and pH tested on the spot
- Written results you keep either way
- Evening and Saturday appointments available
Watch
Why the kitchen tap is separate
The things reverse osmosis catches that house filtration cannot, and why it belongs at the sink.
Why the kitchen tap is separate
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More angles
Up close
BG800 AlkaPro unit and faucet, front view
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The AlkaPro paired with a whole-home system
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Finishes
Choose a finish for your kitchen
The tap is the only part of this system anyone ever sees, so it comes five ways. Tell us which one at the water test.
Brushed nickel
Chrome
Brushed gold
Matte black
Oil-rubbed bronzeAlso in drinking water systems
Worth a look alongside it
Reviews
From houses that have one
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Free water test
See what is in your water
We run the test at your sink, show you what came back, and tell you honestly what your house needs. Sometimes the answer is nothing at all.