Cartridge 01 · CBPAComposite block pre-filterActivated carbon block with a sediment layer. Reduces sand, rust, chlorine, taste and odor, and protects the membrane.Drinking Water · Prevent Water S8Good water in every glass.
Good water in every glass.
Straight from your kitchen faucet.
Compact, tankless alkaline reverse osmosis installed under the sink with its own faucet. For drinking and cooking, in a house or an apartment, without relying on bottles.
$69.90per monthWith the subscription, plus a $399 installation. You can also buy the system.
Today
Your home deserves more than bottled water.
Buying water became a habit. So did carrying weight, filling the pantry and restocking bottles. You can have the same confidence straight from the faucet.
01The same standard in the glass and the pot
You choose your drinking water carefully. Coffee, rice and family meals deserve the same attention.
02Your time is worth more
Store to car, car to elevator, elevator to pantry. A routine that repeats, and one your home can skip.
03Your pantry back
Fewer cases taking up space, fewer bottles to throw away and more freedom to use your home the way you planned.
04Choose by what is inside
A nice label does not explain how water is treated. Know the filtration, the mineralization and the maintenance of what you drink.
The cost of the habit
How much does your home spend on bottles?
Choose how many people live with you and see what this routine adds up to over a year.
People at home
Illustrative simulation: 2 L per person per day and 1.5 L bottles at $1.76. Your usage and prices may differ.
With bottles$214per month$2,570 per year · 1,460 bottles per year
With the S8 subscription$69.90per month$1,237.80 in the first year, installation included.$838.80 per year from the second year on.
Per person, per day$1.13on the subscription, first year
First-year difference$1,332less than bottles
The system
Prevent Water S8. Purification and mineralization under the sink.
Produces water through direct-flow reverse osmosis, with no storage tank. After purification, the alkaline cartridge adds minerals back and raises the pH.
700 GPDrated capacity
1.83 L/minstated flow rate
2 : 1pure water : drain
16.5 × 6.2 × 15 inunit dimensions
Real-time TDSAuto flushFilter alertQuick changeTankless
Manufacturer data. Results vary with incoming water quality and usage.Cartridge 01 · CBPAComposite block pre-filterActivated carbon block with a sediment layer. Reduces sand, rust, chlorine, taste and odor, and protects the membrane.
Cartridge 02 · ROReverse osmosis membraneThe core of the purification. Reduces dissolved solids, including metals such as lead and PFAS. Results vary with the incoming water.
Cartridge 03 · AlkalineAlkaline mineralAdds calcium and magnesium to the purified water and raises the pH, for a lighter taste.Comparison
More space. Fewer steps.
The S8 works in direct flow and keeps the filtration in one compact unit. See how it looks next to a conventional system with a tank.
Prevent Water S8Conventional system with tank| Prevent Water S8 | RO with tank | Bottled water | |
|---|---|---|---|
| Space | Compact under the sink | Tank and housings fill the cabinet | Cases in the pantry |
| Stored water | No, direct flow | Yes, in the tank | Yes, in bottles |
| For cooking | Dedicated faucet | Dedicated faucet | Open bottle after bottle |
| Monitoring | TDS on the panel and change alert | Usually none | None |
| Maintenance | Included in the subscription | Cartridges on different cycles | Buy and carry, always |
Houses and apartmentsOn a well, or want to treat the whole house?Well Water →Whole-Home →
Made for kitchens of any size.
Living in an apartment or condo? The S8 was designed to fit under the sink without taking over the whole cabinet.
No constructionWater connections, drain and usage walkthrough, without touching the building plumbing.
Outlet includedWe install the outlet under the sink for the unit.
Dedicated faucetDual or single faucet, with model and color chosen when you sign up.
Renting?It is worth checking with your landlord first. We explain everything the installation involves so you can show them.
Everything included
From the specification to the first glass.
Treated water for drinking, cooking, coffee and tea, with no cases in the car, the elevator or the pantry.
01Prevent Water S8
Alkaline reverse osmosis under the sink.
02Installation
Water connections, drain and usage walkthrough.
03Electrical outlet
An outlet under the sink for the unit.
04Dual or single faucet
You choose the model and color when you sign up.
05Tested in front of you
We measure TDS and pH before and after, on installation day.
06Support
Help by WhatsApp, email and phone.
Plans
Buy the system or subscribe.
Both options include the same equipment, the installation and the test in front of you.
Purchase$1,789one-time paymentPay in full or in up to 3 interest-free payments.
The system is yours, and so is the maintenance. At each change alert, you buy the cartridges and book the service.
- Tankless alkaline reverse osmosis
- Dedicated kitchen faucet
- Installation and outlet included
- Cartridges on you, estimated $240 per year
SubscriptionMost chosen$69.90per monthPlus a $399 installation
Good water every month, with nothing to worry about. The equipment belongs to Prevent Water, which takes care of maintenance.
- Tankless alkaline reverse osmosis
- Dedicated kitchen faucet
- 3 cartridges: CBPA, RO and alkaline
- Cartridge changes whenever the system asks
Installation in6 payments of $66.50 for installation. For the first 6 months, $136.40 per month.
I want to subscribeMaintenanceManufacturer guidance. Lifespan varies with usage and incoming water quality.
The panel tells you. The change takes seconds.
Each cartridge has its own cycle. The S8 tracks usage and signals when it is time to change. With the subscription, changes are on Prevent Water.
CBPA8 to 12 months
RO membrane12 to 24 months
Alkaline cartridge6 to 12 months
How it works
From first contact to first glass.
01Evaluation
We talk about your water and your routine and confirm the connections and cabinet space.
02Choice
You decide between purchase and subscription, with everything explained first.
03Scheduling
We agree on the best day for the installation.
04Installation and test
We install under the sink and measure TDS and pH in front of you.
We explain what will be measured, what the results mean and what they do not cover. If your water calls for a different path, we tell you.
Questions about the S8.
No. Installation covers the water connections, drain and the outlet under the sink, without touching the building plumbing. We confirm the connections and cabinet space first.
Good water.
Starts with a conversation.
Tell us a little about your home. Our team confirms the connections, space and the best option for you, with no obligation.
Conversation and inspection: water source, what you have noticed, your goals and the installation conditions.On-site measurements, with the parameters and methods available during the visit.A written recommendation: what was observed, what was measured and whether any extra step is needed.
Prefer to talk? (352) 808-8763