Product Overview
This high-efficiency under-counter reverse osmosis system combines Aquasana's Claryum filtration technology with reverse osmosis to remove up to 99.99% of 90 contaminants, including fluoride, arsenic, lead, chlorine, microplastics, PFOA/PFOS. It is WQA tested and certified to NSF/ANSI Standards 42, 53 (includes P473), 58, 401, and CSA B483.1.
The patented SmartFlow technology provides more pure water, reduces water waste, and extends filter life. The system also includes a Remineralizer to restore beneficial minerals for healthier, delicious water. This system is designed for easy filter replacements, requiring no disconnection of hoses or water lines.

Image: Aquasana SmartFlow Reverse Osmosis System with a chrome faucet, storage tank, and filter unit.

Image: Diagram illustrating the multi-stage filtration process of the SmartFlow system, including carbon block, SmartFlow membrane, and remineralizer.
Setup and Installation
Professional installation is recommended for this under-sink system. Ensure all components are present and inspect them for any damage before beginning installation. Refer to the detailed instructions provided in the full manual for step-by-step guidance.
Included Components

Image: A visual representation of all components included in the Aquasana SmartFlow Reverse Osmosis Water Filter System package, including filters, RO membrane, RO tank, faucet, and various installation parts.
System Dimensions
Before installation, verify that you have adequate space under your sink for the system components. The main filter unit, RO tank, and post-filter have specific dimensions as shown below.

Image: Technical drawing showing the dimensions of the Aquasana SmartFlow RO system's main filter unit, storage tank, and inline post-filter.
Installation Overview
The system typically installs under your kitchen sink, connecting to your cold water line and a dedicated faucet. A drain connection is also required for the reverse osmosis process.

Image: The Aquasana SmartFlow Reverse Osmosis system, including the filter unit and storage tank, installed neatly under a kitchen sink with visible plumbing connections.
Official Installation Video
Video: An official video from Aquasana Inc. demonstrating the installation process and features of the SmartFlow Reverse Osmosis Water Filter System.
Operating Instructions
After successful installation, it is crucial to flush the system to remove any air and carbon fines. Follow the detailed flushing procedure in your complete user manual before consuming water from the system.
To dispense filtered water, simply operate the dedicated faucet installed with your system. The system operates on water pressure and does not require electrical power.
Maintenance
Regular filter replacement is essential to maintain optimal performance and water quality. The SmartFlow system is designed for easy filter changes.
Filter Replacement
To replace a filter cartridge, simply twist out the used cartridge and replace it with a new, genuine Aquasana replacement filter. It is not necessary to disconnect hoses or water lines during this process. Always use certified, genuine Aquasana replacements to ensure continued contaminant removal and system integrity.
Refer to your full manual for recommended filter replacement schedules for each stage of filtration.
Troubleshooting
If you encounter any issues with your Aquasana SmartFlow system, consult the following common troubleshooting tips:
- Low Water Flow: Check for clogged filters. Ensure adequate water pressure to the system. Refer to the full manual for detailed flow rate specifications and minimum pressure requirements.
- Leaks: Inspect all connections for proper sealing. Ensure filter cartridges are correctly seated and tightened. If leaks persist after checking connections, contact customer support.
- Unusual Taste or Odor: Flush the system thoroughly as per the initial setup instructions. If the issue continues, replace the filter cartridges.
- No Water from Faucet: Verify that the water supply valve to the system is fully open and that the RO tank is not empty.
For more complex issues, refer to the comprehensive troubleshooting guide in your full user manual or contact Aquasana customer support.
Specifications
| Brand | Aquasana |
| Model Name | Smart Flow Reverse Osmosis System - Chrome |
| Model Number | AQ-SFRO-CHR |
| Product Dimensions (L x W x H) | 15.74" x 12.9" x 15" |
| Material | Metal |
| Capacity | 250 gallons |
| Installation Type | Under Sink |
| Purification Method | Reverse Osmosis |
| Maximum Flow Rate | 0.8 gpm |
| Supported Water TDS Level Maximum | 500 PPM |
| Certifications | WQA Certified to NSF/ANSI Standards 42, 53 (includes P473), 58, 401, and CSA B483.1 |
Warranty
The Aquasana SmartFlow Reverse Osmosis Water Filter System includes a 2-year limited warranty. This warranty covers defects in materials and workmanship under normal use. Please refer to the complete warranty document included with your product or available on the Aquasana website for full terms, conditions, and exclusions.
Support
For technical assistance, installation questions, troubleshooting, or customer service, please contact Aquasana phone support. Our team is available to help you with any inquiries regarding your SmartFlow Reverse Osmosis system.
Aquasana Customer Support: 866-662-6885
You can also visit the official Aquasana website for additional resources, FAQs, and product information.







