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Aquasential® Tankless Reverse Osmosis System

Savor an unlimited supply of filtered water with the Aquasential® Tankless Reverse Osmosis (RO) Drinking Water Filtration System. This compact unit is equipped with innovative features that provide real-time water quality feedback and leak detection for even more peace of mind.

Ready for a drinking water upgrade? Your local Culligan® water experts can help determine the right solution for your municipal or well water. Schedule your free, in-home water test or phone consultation to get started.

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Discover Life-Enhancing Hydration

Planet-Friendly Hydration

Eliminate waste from single-use plastic bottles when you refill your cup right from the tap.

Reassuring Replenishment

Enjoy peace of mind with every sip, knowing that your water has been filtered with cutting-edge technology.

Family-Sized Filtration

Keep your household hydrated with up to 20x more water supplied daily than traditional reverse osmosis systems.

Space-Saving Design

The elegant, compact architecture makes this system an effortless addition to your home — no matter the size of your space.

Planet-Friendly Hydration

Eliminate waste from single-use plastic bottles when you refill your cup right from the tap.

Reassuring Replenishment

Enjoy peace of mind with every sip, knowing that your water has been filtered with cutting-edge technology.

Family-Sized Filtration

Keep your household hydrated with up to 20x more water supplied daily than traditional reverse osmosis systems.

Space-Saving Design

The elegant, compact architecture makes this system an effortless addition to your home — no matter the size of your space.

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No-Fuss Filtration

Our team of water experts thoughtfully crafted this tankless reverse osmosis system to include advanced filtration so you never have to think twice about your water quality.

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Four-Stage Filtration Process

Reduce dissolved solids and​ particulates for cleaner, safer tap water you can trust.

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2-in-1 Sediment and Carbon Filter

Address materials — like dirt, sand, and rust for a more refreshing water experience.

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High-Capacity Solution

Tackle even more contaminants with a specialized, semipermeable membrane that provides comprehensive filtration.1

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Carbon Block Filter

This final polishing stage targets any remaining bad tastes and odors so you can enjoy crisp, fresh-tasting water with every sip.

Take Filtration One Step Further

Culligan tankless reverse osmosis systems offer four stages of filtration and are certified to reduce the metals, salts and minerals in your water known as TDS (total dissolved solids). You can also enhance your system with these additional options:

  • culligan premium faucets

    Premium Faucet

    Choose from four modern designs in brushed nickel, chrome, matte black and bronze, and check real-time insights into water quality and filter life on the electronic display.

  • culligan wireless water filter

    ClearLink PRO™

    Instead of adding a second faucet, use your existing faucet and switch between RO and tap water at the touch of a button. The display also shares information on filter life and water quality.

  • Mineral Boost+ Cartridge

    Upgrade the final stage with this option that includes carbon filtration and also adds calcium, magnesium and potassium for optimally alkaline, pH-balanced water.

Third-Party Certified

The Aquasential Tankless RO and Aquasential Tankless RO with Mineral Boost+ have been tested and certified by WQA against NSF/ANSI 372, CSA B483.1 and NSF/NSF 58 for the reduction of TDS as verified and substantiated by test data.​​ Learn more about product certifications here.

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Ready To Take the Next Step?

Schedule a free, in-home consultation and water test to get one step closer to the enhanced hydration your family deserves. With options to buy, finance or rent, your local Culligan water experts will make recommendations based on your home, water usage, test results and any other concerns.

Schedule Free Water Consultation

More Reasons to Choose a Culligan Tankless RO System

01

Upgraded Hydration

Enjoy pristine filtered water you won’t have to think twice about — unless it’s remembering to refill your glass.

02

Flexibility

03

Dependability

04

Capacity

Our Environmental Impact

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40 Billion+ Bottles Saved

Culligan water filtration solutions benefit the environment by reducing single-use plastic bottle waste and saving billions of bottles each year.

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Earth-Conscious Innovation

We prioritize sustainability in designing and developing new products.

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Global Water Leadership

Culligan has joined the CEO Water Mandate and the Water Resilience Coalition to lead the way in positive, global water stewardship.


Specifications

Warranty

Culligan products are reliable and long-lasting, with industry-leading warranties.

  • System faucet, internal plastic components including system manifold, and fittings: Five-year warranty
  • Entire system: One-year warranty²

100% Satisfaction Guarantee:

If you are dissatisfied with your Culligan product for any reason within 30 days of your purchase, Culligan will remove the product and refund the purchase price.

To access customer support, call your local Culligan water expert or​ fill out this Maintenance & Support form​.

Download Owner’s Guide

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Model

Aquasential® Tankless RO System

Length x Width x Height

18.7 in x 5.7 in x 17.2 in

Power Specifications

Input: 120 VAC / Output: 24 VDC

Rated System Operating Pressure

15 - 120 psi

Inlet Water Temperature

41° - 100° F

Min. Product Flow Rate3

0.42 gpm

Daily Production Rate

715 gpd

Recovery Rate

58.4%

Aquasential Smart Reverse Osmosis Drinking Water Filtration System Screen

Installation & Maintenance​


Questions & Answers

What is the process for installing Culligan’s tankless RO system?​

Can I get a tankless RO system if I am renting or leasing?​

What kinds of substances does this drinking water filtration system filter out?

Is this water filtration system for my sink worth the investment?​


Ratings & Reviews

Glass of filtered water
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Loved the service and the quality of the product.

Chris was amazing helping us figure out our water issues and coming up with the best solution.

Shawn & Joanne H, WI

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The quality of drinking water has improved significantly.

The staff was very kind and friendly and explained in detail about the RO system.

Venkatesh I, SK

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The RO system works great.

Our salesman came out and explained everything and we made a choice of systems. Great experience!

Linda W, TX

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Loved the service and the quality of the product.

Chris was amazing helping us figure out our water issues and coming up with the best solution.

Shawn & Joanne H, WI

big quote icon
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The quality of drinking water has improved significantly.

The staff was very kind and friendly and explained in detail about the RO system.

Venkatesh I, SK

big quote icon
big quote icon

The RO system works great.

Our salesman came out and explained everything and we made a choice of systems. Great experience!

Linda W, TX

big quote icon
big quote icon

Loved the service and the quality of the product.

Chris was amazing helping us figure out our water issues and coming up with the best solution.

Shawn & Joanne H, WI

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Let’s Get Started

Start enjoying the benefits of trustworthy water in your home with help from your local Culligan water experts.

Schedule Free Water Consultation

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Enjoy soft water while maximizing resources and savings.

¹ Contaminants may not be present in your water.
² The CF, CB, & MB+ filters are only warrantied until the end of their useful life, which is 4,755 gallons or one year. Once the filters have been used for 4,755 gallons, they are no longer covered under the one-year system warranty.
³ Depending on local water quality and use environment, the actual filtered water flow rate and total filtered water volume will vary.