Echo RO Tankless Reverse Osmosis Water Filter System

General Information

• Manufacturer: Echo Water
• Product: ECHO RO™ Tankless Reverse Osmosis Water Filter System
• Model: Echo RO
• System Type: Tankless Reverse Osmosis Water Purification
• Application: Residential Drinking Water Filtration
• Installation: Under-Sink
• Water Production: On-Demand, Without Storage Tank

Four-Stage Filtration System

• Filtration Technology: Four-Stage Reverse Osmosis
• Stage 1: Spun Polypropylene Sediment Filter (PP)
• Stage 2: Carbon Block Filter (CTO)
• Stage 3: Reverse Osmosis Membrane (RO)
• Stage 4: Post-Activated Carbon Filter (T-33)
• RO Membrane Filtration Rating: 0.0001 Micron
• Contaminant Reduction: Up to 99%
• Manufacturer-Identified Contaminants: Chlorine, Chloramines, Fluoride, Lead, Heavy Metals, Nitrates & Dissolved Solids
• Filter Design: Replaceable Bayonet-Style Cartridges
• Cartridge Replacement: Quarter-Turn, Tool-Free Design

Water Purification & Performance

• Purified Water Flow Rate: 1.2 L/min
• Purified-Water-to-Drain Ratio: Approximately 1:1
• Manufacturer-Listed Rejection Rate: 90–99%
• Water Production: Tankless, On Demand
• Water Storage: No Pressurized Storage Tank
• Filtration Monitoring: Real-Time TDS Measurement
• TDS Display Units: Parts Per Million (PPM)
• TDS Measurements: Incoming & Purified Water

Water Supply & Installation Requirements

• Installation Location: Beneath Kitchen Sink
• Water Source: Potable Cold Water
• Water Supply Connection: ⅜-Inch T-Valve
• Water Supply Tubing: ⅜-Inch
• Purified Water Tubing: ¼-Inch
• Drain Tubing: ¼-Inch
• Drainage Connection: Drain Clamp With Quick-Connect Fitting
• Drinking Water Outlet: Dedicated RO Faucet Required
• Faucet Options: Chrome, Stainless Steel & Matte Black
• Faucet Configuration: Optional Manufacturer Faucet or Compatible Existing RO Faucet
• Electrical Connection: Standard Household Outlet
• Minimum Cabinet Clearance: Approximately 5 Inches in Depth

Digital Controls & Monitoring

• Control Interface: Front Digital Display
• Water Quality Monitoring: Incoming & Output TDS
• Filter Monitoring: Individual Cartridge Life Indicators
• Filter Replacement Alerts: Digital Status Indicators
• System Flushing: Automatic & Manual Functions
• Operating Status: Digital Indicator Lights
• Diagnostic Notifications: Audible Alerts
• Filter Reset: Manual Reset Following Replacement

Filter Replacement & Maintenance

• Sediment Filter: Replaceable PP Cartridge
• Carbon Block Filter: Replaceable CTO Cartridge
• RO Membrane: Replaceable Reverse Osmosis Cartridge
• Post-Carbon Filter: Replaceable T-33 Cartridge
• Replacement Schedule: Follow Digital Filter-Life Indicators
• Replacement Intervals: Dependent on Water Quality & Usage
• Cartridge Access: Front-Accessible Filter Compartment
• Cartridge Connection: Quarter-Turn Bayonet Mechanism
• Routine Maintenance: Manufacturer-Recommended System Flushing

Electrical Specifications

• Input Voltage: AC 100–240V
• Frequency: 50–60 Hz
• Power Input: 96W
• Power Adapter: SMPS 24V / 4A
• Electrical Protection: Type II
• Surge Protection: Required for Warranty Coverage

Dimensions & Construction

• Machine Width: 17.75 Inches
• Machine Height: 16 Inches
• Machine Depth: 4.25 Inches
• Machine Weight: 29 lbs
• Shipping Dimensions: 20 × 20 × 14 Inches
• Design: Slim, Tankless Under-Sink Housing
• Filter Access: Top-Opening Cartridge Compartment

System Compatibility

• Manufacturer-Confirmed Pairing: Echo Flow Hydrogen Water Machine
• Manufacturer-Confirmed Pairing: Echo H2 Hydrogen Water Machine
• Integration: Reverse Osmosis Filtration Upstream of Hydrogen Equipment
• Hydrogen Generation: Not Included in Echo RO System

Warranty & Manufacturer Support

• Manufacturer Warranty: 5-Year Limited Warranty
• Product Support: USA-Based Manufacturer Assistance
• Warranty Requirement: Surge Protector
• Maintenance: Manufacturer-Recommended Filter Replacement
• Service: Follow Manufacturer Troubleshooting & Repair Procedures

Designed for space-efficient under-sink installation, the ECHO RO Tankless Reverse Osmosis Water Filter System features a slim profile measuring 17.75 inches wide, 16 inches high, and just 4.25 inches deep. Its tankless design eliminates the need for a separate pressurized water storage tank, allowing the system to sit discreetly inside a kitchen sink cabinet while preserving valuable storage space and keeping countertops clear of additional filtration equipment.

Ideal for residential kitchens, the Echo RO connects to a compatible cold-water supply, drain connection, and dedicated drinking-water faucet, available in chrome, stainless steel, or matte black finishes. The system produces purified water on demand through its four-stage filtration process and can also provide upstream filtration for compatible Echo Flow and Echo H2 hydrogen water machines, offering flexible integration with household water purification and hydration systems.

The ECHO RO™ Tankless Reverse Osmosis Water Filter System is designed for under-sink installation with a compatible residential cold-water supply, dedicated drinking-water faucet, drain connection, and electrical outlet. Available faucet configurations include chrome, stainless steel, and matte black, with the option to use an existing compatible RO faucet.

The Echo RO can provide upstream filtration for compatible Echo hydrogen water machines, including the Echo Flow™ and Echo H2®. The Echo Ultimate™ Hydrogen Water Machine also supports reverse osmosis water as an input, provided its additional water-quality and remineralization requirements are satisfied.

When connected to compatible Echo equipment, the RO system purifies incoming water before it reaches the separate hydrogen generation or water ionization system. Echo Ultimate installations require particular attention to mineral content, water pressure, and the manufacturer's installation specifications to maintain proper alkaline and acidic water production.

The ECHO RO™ Tankless Reverse Osmosis Water Filter System is backed by a manufacturer-provided 5-year limited warranty covering the machine and reverse osmosis membrane housing, subject to Echo Water's applicable warranty terms. This coverage reflects the manufacturer's commitment to equipment reliability and long-term customer support.

Warranty service and remedies are governed by Echo Water's manufacturer warranty provisions. Proper installation, maintenance, and operation are required, including the use of a surge protector to maintain warranty eligibility. Replacement filter cartridges and other consumable components may be subject to separate coverage limitations.

The Echo RO also includes a manufacturer-advertised 60-day money-back guarantee, providing additional purchasing confidence under the applicable return terms. Warranty and service-related inquiries are supported by Echo Water's U.S.-based customer support team.

Warranty coverage is provided directly by Echo Water, applies to the original owner, and is subject to the manufacturer's terms, conditions, and exclusions. Please see the SanaVi Warranty Policy Page for further details and information.

Echo Water provides dedicated U.S.-based customer support to assist with product questions, installation guidance, troubleshooting, filter replacement, and warranty-related inquiries for the Echo Flow device. Support is available through phone, email, and an online help center, offering resources for both countertop and under-sink configurations.

Ongoing support includes access to user guides, step-by-step operating instructions, filtration maintenance guidance, and troubleshooting articles designed to help maintain consistent system performance. For warranty claims or service-related needs, Echo Water follows a defined support process to assist customers with product concerns and resolution.

For setup/assembly guidance and operation please refer to the ECHO Flow User Manual.

Please refer to the Echo RO Manual included in your delivery for product related safety information.

For important health and safety information, please review SanaVi's Medical & Safety Disclaimer Page before using this equipment.

By purchasing or using products distributed by SanaVi Health Systems LLC, customers acknowledge that they have read and understood this Medical & Safety Disclaimer and agree to use all equipment responsibly and in accordance with Manufacturer guidance.

What is the Echo RO tankless reverse osmosis water filter system?

The Echo RO tankless reverse osmosis water filter system is a four-stage under-sink filtration system designed to produce purified drinking water on demand without a conventional storage tank. Featuring a compact 4.25-inch-deep housing, advanced reverse osmosis membrane, digital water quality monitoring, and replaceable filter cartridges, it provides convenient household water purification while conserving kitchen cabinet space.

How does the Echo RO four-stage reverse osmosis filtration system work?

The Echo RO four-stage reverse osmosis filtration system uses sediment filtration, carbon block filtration, a 0.0001-micron RO membrane, and post-activated carbon filtration. Each stage reduces different types of unwanted substances, including particles, chlorine, dissolved contaminants, and taste or odor compounds. Purified water flows directly to a dedicated drinking-water faucet without requiring a storage tank.

What contaminants does the Echo RO reverse osmosis system reduce?

The Echo RO reverse osmosis system is designed to reduce up to 99% of contaminants, according to Echo Water's published performance specifications. Its four-stage filtration process targets substances including chlorine, chloramines, fluoride, lead, nitrates, heavy metals, and total dissolved solids. Actual contaminant reduction can vary depending on incoming water quality, operating conditions, and filter maintenance.

Does reverse osmosis remove PFAS, PFOS, and fluoride from drinking water?

Reverse osmosis filtration can reduce PFAS, PFOS, fluoride, and other dissolved contaminants through a highly selective membrane process. The Echo RO incorporates a 0.0001-micron reverse osmosis membrane and is designed to reduce a broad range of unwanted drinking-water substances. Specific contaminant reduction performance depends on the source water, membrane condition, and applicable manufacturer testing.

What are the advantages and disadvantages of tankless reverse osmosis systems?

Tankless reverse osmosis systems produce purified water on demand without requiring a separate pressurized storage tank, helping conserve cabinet space and avoid stored-water limitations. However, they still require electricity, a dedicated drinking-water faucet, drainage connections, and periodic filter replacement. The Echo RO addresses convenience through its compact design, digital monitoring, and tool-free cartridge replacement system.

How does tankless reverse osmosis differ from a traditional storage-tank system?

Tankless reverse osmosis systems filter water as it is requested, while traditional RO systems collect purified water in a separate pressurized storage tank. The Echo RO eliminates that additional tank, providing fresh filtration on demand through a compact under-sink unit. Its 1.2 L/min flow rate and slim housing make it practical for residential kitchen installations.

How much wastewater does the Echo RO reverse osmosis system produce?

The Echo RO reverse osmosis system features a manufacturer-advertised 1:1 purified-water-to-drain-water ratio. Under suitable operating conditions, this means approximately one gallon of purified drinking water is produced for every gallon sent to drain. This design helps improve water efficiency compared with many conventional RO systems, although actual performance varies with water pressure, temperature, and source-water quality.

Does reverse osmosis remove beneficial minerals from drinking water?

Reverse osmosis removes dissolved substances from drinking water, including naturally occurring minerals such as calcium and magnesium. The Echo RO is designed primarily for contaminant reduction and does not include a dedicated remineralization stage. Households interested in adding minerals back to purified water can explore appropriate remineralization options based on their preferences and overall water treatment needs.

What does the Echo RO digital TDS display measure?

The Echo RO digital TDS display measures total dissolved solids in parts per million (PPM), showing incoming and purified water readings during operation. These measurements help users observe changes in dissolved mineral and contaminant concentrations. The display also provides filter-life indicators and operating information, supporting routine maintenance and helping users monitor the system's filtration performance.

How often do Echo RO replacement filters need to be changed?

Echo RO replacement filters require periodic changes based on their filtration stage, incoming water quality, and household usage. The system uses four replaceable cartridges, including sediment, carbon block, reverse osmosis membrane, and post-carbon filters. Digital filter-life indicators help identify when replacement is needed, while the quarter-turn cartridge design allows convenient, tool-free servicing.

What is required to install the Echo RO system under a kitchen sink?

Echo RO under-sink installation requires a compatible cold-water supply, drain connection, electrical outlet, and dedicated drinking-water faucet. The machine measures 17.75 inches wide, 16 inches high, and 4.25 inches deep. Faucet options include chrome, stainless steel, and matte black, or customers may use a compatible existing RO faucet. Installation should follow manufacturer instructions.

Can the Echo RO connect to Echo hydrogen water machines?

The Echo RO can provide upstream reverse osmosis filtration for compatible Echo hydrogen water machines, including the Echo Flow and Echo H2, as confirmed by the manufacturer. In these configurations, the RO system purifies incoming water before it reaches the separate hydrogen generation equipment. The Echo RO itself does not generate molecular hydrogen, and installation compatibility should be confirmed for the selected configuration.

For proper setup, operation, and ongoing maintenance, please refer to the ECHO RO™ Tankless Reverse Osmosis Water Filter System User Manual included with your unit. The manual provides step-by-step guidance on under-sink installation, initial system flushing, filter cartridge replacement, digital monitoring, troubleshooting, and safety precautions to help ensure consistent and reliable filtration performance.

For additional assistance, Echo Water provides live, U.S.-based customer support to help with setup questions, operating guidance, troubleshooting, maintenance, and warranty-related inquiries.

The Echo RO Tankless Reverse Osmosis Water Filter System is designed for convenient routine maintenance, featuring four replaceable filtration cartridges and digital filter-life monitoring. Replace the sediment, carbon block, reverse osmosis membrane, and post-carbon filters according to the system's replacement indicators and manufacturer recommendations. Periodically inspect water supply connections, tubing, and drainage lines for leaks, restrictions, or reduced flow to help maintain consistent filtration performance.

For internal maintenance, the Echo RO incorporates automatic flushing to support normal system operation. Its quarter-turn, bayonet-style filter cartridges allow tool-free replacement without disassembling the main housing. Follow the manufacturer's procedures for depressurizing the system, replacing cartridges, resetting filter-life indicators, and completing any required flushing. Use only compatible replacement cartridges and approved maintenance procedures.

For exterior care, gently wipe the machine with a soft, lightly damp cloth, keeping moisture away from electrical components and the digital display. Avoid abrasive cleaners, solvents, freezing temperatures, and excessive moisture. Always use the manufacturer-supplied power adapter with the required surge protector. Turn off the source-water valve during extended periods of nonuse, as directed in the manual.

If the Echo RO experiences reduced water flow, elevated TDS readings, filter warnings, unusual operating sounds, or unexpected shutdowns, check the water supply, filter condition, and manufacturer-recommended troubleshooting procedures. Contact Echo Water for technical assistance if problems persist, and avoid unauthorized repairs or modifications.

For complete care, troubleshooting, and maintenance instructions, please refer to the user manual included with your delivery.

Free shipping to all 50 U.S. states, U.S. territories, and AA/AE/AP military addresses is included with this product, along with shipping insurance.

Orders are typically processed within 1-2 business days, with tracking information provided once shipped so you can follow delivery progress in real time.

Delivery timelines may vary slightly based on location, carrier routing, or seasonal factors such as weather and holidays.

Standard delivery times to the lower 48 U.S. States is approximately 2-7 business days depending on your location. Shipping times to Hawaii, Alaska and U.S. territories may take longer due to distance, port delays and logistics.

For any questions regarding your order, Echo Water provides ongoing support, and SanaVi Health Systems is also available to assist with order updates as needed.

• Orders typically ship within 1–2 business days after processing
• Shipping transit times within the United States generally takes 2–7 business days
• Shipping transit times to Alaska, Hawaii, U.S. territories and Military addresses generally take 3-14 days
• Tracking information is provided with every order for real-time updates
• Orders are delivered via standard carriers on business days (Monday–Friday)
• Delivery timing may vary based on location, weather, holidays, or carrier logistics
• For complete information about shipping, delivery, freight inspection, and damage reporting, please review our Shipping, Delivery & Damage page.

Getting started with the Echo RO Tankless Reverse Osmosis Water Filter System begins with installing the unit beneath a kitchen sink and connecting it to a compatible cold-water supply, dedicated drinking-water faucet, and drain connection. Its compact, tankless design eliminates the need for a separate storage tank, while the included plumbing accessories support installation within a suitable kitchen cabinet.

Once properly installed and connected to electrical power through the manufacturer-supplied adapter and required surge protector, the Echo RO initiates its automatic flushing process. Before drinking the purified water, the system must be flushed according to the manufacturer's initial startup instructions. During normal operation, the Echo RO produces filtered water on demand, with its digital display providing water quality readings, operating status, and filter-life information.

For complete installation instructions, connection diagrams, initial flushing procedures, and operating guidance, please refer to the Echo RO User Manual included with your delivery.

We offer flexible financing through Shop Pay Installments in partnership with Affirm. To explore available payment plans, simply click the “Check your purchasing power” link below the Shop Pay logo which is located below the "Add To Cart" button, or select the “Buy with Shop” button. Available installment options will appear during checkout based on eligibility.

Additionally, if you choose PayPal at checkout, you may also access PayPal’s Buy Now, Pay Later options directly through PayPal. After selecting PayPal as your payment method, their available installment plans will be presented within the PayPal checkout environment.

Financing availability and terms are determined by the respective provider and subject to their eligibility approval.

For more details please see our Payments & Financing Page.

This product is governed by the Echo Water-specific return terms below. Review the current SanaVi Returns & Cancellations Policy prior to purchase for complete return eligibility, fees, conditions, and instructions.

• Return window: 60 days from delivery
  
• Condition: Product must be in resalable condition
  
• Returns: Accepted for both defective and non-defective products
  
• Return label: Prepaid return shipping label provided for approved returns
  
• Return shipping costs: Covered when the provided prepaid label is used
  
• Restocking fee: None
  
• Exchanges: Available for eligible products within 60 days
  
• Refund processing: Within 14 days after the return is received, inspected, and approved
  
• Cancellations: Orders may be canceled as long as the order has not yet shipped

Echo Water is a hydrogen wellness company focused on advancing hydration through systems that generate hydrogen-rich water using molecular hydrogen technology. Operating within a growing area of interest around hydrogen-based approaches, the company develops solutions designed to bring controlled hydrogen generation into everyday use. Their product line centers on delivering hydrogen-rich water through repeatable, system-based processes, with the Echo Flask offering a portable solution for daily routines.

With an emphasis on engineering, material integrity, and consistent performance, Echo Water continues to refine hydrogen generation technology for both reliability and convenience. Supported by U.S.-based operations and manufacturing ties within the United States, the company positions itself at the intersection of wellness and applied technology—developing solutions designed to integrate seamlessly into modern lifestyles focused on performance, balance, and long-term health.

We make every reasonable effort to keep product information accurate. Because some products are updated or fulfilled directly by the manufacturer, specifications, included components, packaging, images, or minor design details may change without notice. If a material change affects an order, SanaVi will review the matter in good faith and work toward a reasonable resolution.

For more information, please see the Manufacturer Product Updates & Specification Changes section of our Terms of Service.

Medical and Safety Warnings

The Echo RO Tankless Reverse Osmosis Water Filter System is designed to provide purified drinking water for everyday hydration and general wellness use. It is not intended to diagnose, treat, cure, or prevent any disease. Individuals with existing medical conditions, specific health concerns, or medically prescribed fluid or mineral restrictions should consult a qualified healthcare professional regarding their individual drinking-water needs.

For safe operation, the Echo RO must be connected to a compatible potable cold-water supply and installed according to the manufacturer's plumbing, drainage, and electrical requirements. Use the supplied power adapter with the required surge protector, and complete the recommended initial flushing procedure before consuming filtered water. Do not connect the system to a hot-water supply, expose it to freezing temperatures, or operate it if electrical components, tubing, or connections appear damaged. Discontinue use if leaks, unusual operation, or persistent water quality concerns occur.

Please follow all installation, operation, filter replacement, maintenance, and safety instructions provided in the Echo RO User Manual included with your delivery.

*** For important health and safety information, please review SanaVi's Medical & Safety Disclaimer Page before using this equipment.

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