1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Aquasana EQ-Well-R Whole House Filter Tank. This system is designed to purify the water entering your home, providing filtered water throughout your entire household. Please read this manual thoroughly before installation and retain it for future reference.

Image 1.1: The Aquasana EQ-Well-R Whole House Filter Tank. This image displays the tall, blue cylindrical filter tank with the Aquasana branding visible on the upper section.
2. Safety Information
Adherence to the following safety guidelines is crucial for preventing property damage, injury, or system malfunction.
- Professional Installation Recommended: Installation of this whole house filtration system involves plumbing work. It is highly recommended that installation be performed by a licensed plumber to ensure proper setup and compliance with local codes.
- Water Pressure: Ensure your home's water pressure is within the operating limits specified for the system. Excessive pressure can damage the filter tank and plumbing.
- Leak Prevention: Carefully inspect all connections for leaks after installation and during routine maintenance. Address any leaks immediately.
- System Bypass: Familiarize yourself with the system's bypass valve (if installed) for emergency situations or maintenance.
- Disposal: Dispose of old filter media and tanks according to local environmental regulations.
3. Package Contents
Verify that all components are present before beginning installation:
- Aquasana EQ-Well-R Whole House Filter Tank (1 unit)
- Installation Guide (separate document, if applicable)
Note: Additional plumbing components, such as shut-off valves, pressure gauges, and bypass loops, are typically purchased separately and are required for a complete installation.
4. Setup and Installation
Proper installation is critical for the performance and longevity of your Aquasana whole house filter system. It is strongly recommended to have this system installed by a certified plumbing professional.
4.1. Choosing an Installation Location
Select a location for the filter tank that is:
- After the main water shut-off valve and before the water heater.
- Protected from freezing temperatures and direct sunlight.
- Easily accessible for future maintenance and filter replacement.
- Equipped with adequate drainage for flushing and maintenance.
4.2. Installation Steps (General Overview)
The following steps provide a general overview. Refer to the detailed installation guide provided with your system for specific instructions and diagrams.
- Shut off Main Water Supply: Locate and turn off the main water supply to your home.
- Drain Water Lines: Open faucets throughout the house to relieve pressure and drain water from the pipes.
- Cut into Main Water Line: Carefully cut into the main cold water line at the chosen installation point.
- Install Bypass Valve (Recommended): Install a bypass valve assembly to allow water flow around the filter during maintenance.
- Connect Filter Tank: Connect the filter tank to the plumbing using appropriate fittings. Ensure all connections are secure and watertight.
- Slowly Restore Water Supply: Gradually turn on the main water supply, checking for leaks.
- Flush the System: Follow the manufacturer's instructions for initial system flushing to remove any carbon fines or air from the system. This typically involves running water from a nearby faucet for a specified duration.

Image 4.1: Diagram illustrating a typical whole house filtration system setup. This image shows a house layout with the water main entering, passing through a filtration unit, and then distributing filtered water to various points within the home.
5. Operating Instructions
Once properly installed and flushed, your Aquasana EQ-Well-R Whole House Filter Tank operates automatically, providing filtered water to your entire home.
5.1. Initial Startup
After installation and flushing, the system is ready for use. You may notice some air in the lines initially, which will clear up as water flows through the system.
5.2. Normal Operation
The filter tank continuously purifies water as it enters your home. No user interaction is required during normal operation. Monitor water pressure to ensure it remains within acceptable limits.
6. Maintenance
Regular maintenance, primarily filter tank replacement, is essential to ensure optimal performance and water quality.
6.1. Filter Tank Replacement
The Aquasana EQ-Well-R is a replacement tank for a whole house filter system. The frequency of replacement depends on water quality and household usage. Refer to your system's specific guidelines for recommended replacement intervals, typically every few years.
- Bypass the System: Engage the bypass valve to isolate the filter tank from the main water supply.
- Depressurize: Open a nearby faucet to release pressure from the system.
- Disconnect Old Tank: Carefully disconnect the old filter tank from the plumbing. Be prepared for residual water.
- Install New Tank: Position the new EQ-Well-R tank and connect it to the plumbing, ensuring all fittings are secure.
- Flush New Tank: Slowly open the bypass valve and then the main water supply. Flush the new tank as per initial installation instructions to remove air and carbon fines.
- Check for Leaks: Inspect all connections for leaks.

Image 6.1: A person demonstrating the replacement of a whole house filter tank. The image shows an individual bending down to unscrew a blue filter tank from a wall-mounted filtration system, highlighting the ease of replacement.
6.2. Winterization (if applicable)
If the filter system is installed in an unheated area subject to freezing temperatures, it must be winterized to prevent damage. This typically involves bypassing the system, draining the tanks, and disconnecting them if necessary. Consult a plumbing professional for specific winterization procedures.
7. Troubleshooting
This section addresses common issues you might encounter with your whole house filter tank.
| Problem | Possible Cause | Solution |
|---|---|---|
| Reduced Water Pressure | Clogged filter media; air in the system; partially closed bypass valve. | Replace filter tank if due; flush system to remove air; ensure bypass valve is fully open. |
| Water Leaks | Loose connections; damaged O-rings or seals; cracked housing. | Tighten connections; inspect and replace O-rings/seals; contact support for cracked housing. |
| Unusual Taste or Odor in Water | Filter media exhausted; improper flushing after installation. | Replace filter tank; re-flush the system thoroughly. |
If you experience issues not listed here or if the suggested solutions do not resolve the problem, please contact Aquasana customer support.
8. Specifications
- Model: EQ-WELL-R
- Dimensions (H x W x D): Approximately 57 x 11 x 11 inches
- Item Weight: Approximately 60.4 pounds
- Material: Plastic
- Special Features: Chlorine Reduction
- Included Components: Filter tank
9. Warranty and Support
For warranty information, technical support, or to purchase replacement parts, please visit the official Aquasana website or contact their customer service department. Contact details can typically be found on the product packaging or the Aquasana website.
Aquasana Customer Support: www.aquasana.com/support (Example Link)





