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Item #:
220868300
GTS3 3 Gallon RO Water Filtration Expansion Tank, Compact
86% of respondents would recommend this to a friend
Item #:
220868300
SHP 110
Price Details
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*All items will import from US
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Imported from USA store
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What Stands Out
Large Capacity
The 20-gallon tank provides ample storage for purified water, ensuring a steady supply for households or offices without frequent refills, meeting high-demand needs effectively.
Efficient Filtration
This system employs advanced reverse osmosis technology to effectively eliminate contaminants, providing clean, great-tasting water that addresses common water quality issues better than traditional filters.
Durable Design
Constructed with high-quality materials, the expansion tank is built to last, ensuring reliability and performance over time, offering exceptional value for long-term water filtration solutions.
Product Details
| Other Special Features of the Product | Durable |
| Container Type | Tank |
| Installation Type | Under Sink |
| Purification Method | Reverse Osmosis |
| Power Source | Adapter |
| LowerTemperature Range | 33 u00b0F |
| Maximum Flow Rate | 0.8 gpm |
| Operating Pressure Range | 5-100 psi |
| Upper Temperature Rating | 100 u00b0F |
| Supported Water TDS Level Maximum (PPM) | 2000 |
| Item Dimensions L x W x H | 9"L x 9"W x 14"H (22.9 x 22.9 x 35.6 cm) |
| Capacity | 3 gallons |
| Item Weight | 6 pounds (2.72 kg) |
| Brand Name | tankRo |
| Included Components | Tank |
| Model Name | GTS3 |
| Model Number | GTS3 |
| UPC | 653590999287 |
| Manufacturer | tankRo |
| Item Highlight | White Finish, Includes 1/4"Ball Valve, Durable Steel Construction, Universal Fit for RO Units |
| Number of Items | 1 |
| Part Number | GTS3 |
| Material Type | BPA Free |
| Brand | tankRo |
| Special Feature | Durable |
| Product Dimensions (L x W x H) | 9"L x 9"W x 14"H (22.9 x 22.9 x 35.6 cm) |
| Material | BPA Free |
| Package Information | Tank |
| Country of Origin | This item will be imported from US |
| Date First Available | April 09, 2021 |
| What is in the box | GTS3 3 Gallon RO... For more details, please check description/product details |
Who Should Buy?
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Household Use
Ideal for families needing a reliable source of filtered water for drinking, cooking, and daily activities.
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Small Businesses
Perfect for cafes or small restaurants that require a consistent supply of clean water for beverages and cooking.
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Health-Conscious Users
Beneficial for those prioritizing purified water to reduce contaminants and improve overall health and hydration.
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High Demand Users
Not suitable for large families or businesses needing more than 20 gallons of water quickly.
Product Description
GTS3 3 Gallon RO Water Filtration Expansion Tank, Compact
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Reverse Osmosis Water Filtration System Expansion Tank?
Answer: A Reverse Osmosis Water Filtration System Expansion Tank is a storage tank designed to hold purified water from a reverse osmosis system. It typically has a capacity of 6 gallons and maintains water pressure in the system, ensuring a steady flow of water whenever needed. The tank is essential for efficient storage, allowing for a continuous supply of filtered water for drinking and cooking. This compact design makes it ideal for both residential and office settings, where space might be limited. -
Question:
How does the 6-gallon RO water tank work?
Answer: The 6-gallon RO water tank operates by using air pressure to push water out when a tap is opened. As the tank fills with filtered water from the reverse osmosis system, the air inside is compressed, creating pressure that helps to dispense the water smoothly. This design is crucial for systems that need to provide instant access to purified water, ensuring that users don't have to wait for the filtration process to complete every time they need water. -
Question:
What materials are used in the 6-gallon water tank?
Answer: The 6-gallon water tank is typically made from high-quality, food-grade materials that are designed to ensure safety and durability. The outer shell is often constructed from durable plastic, while the interior bladder is made from materials that resist corrosion and maintain the purity of the stored water. These materials are selected to ensure that the tank can handle the pressure required while keeping the water clean and free from contaminants. -
Question:
Can I install the RO water filtration system expansion tank myself?
Answer: Yes, the RO water filtration system expansion tank is designed for relatively straightforward installation, often requiring no specialized tools. It connects easily to your reverse osmosis system via existing tubing. Most tanks also come with a free 1/4" tank ball valve which simplifies the setup. Whether you’re a DIY enthusiast or just want a reliable water filtration solution, this tank is suitable for self-installation, making it accessible for users at all skill levels. -
Question:
What are the benefits of using a pressure tank with a reverse osmosis system?
Answer: Using a pressure tank with your reverse osmosis system significantly enhances water flow efficiency and access. It eliminates the need to wait for the system to refill each time you draw water, allowing for instant access whenever you need it. This is particularly beneficial in households with high water demands, ensuring a consistent supply while optimizing energy use by reducing system downtime. It enhances your overall water filtration experience by providing convenience and reliability. -
Question:
Is the RO water filtration system expansion tank safe for drinking water?
Answer: Absolutely! The RO water filtration system expansion tank is constructed from high-quality, food-safe materials specifically designed for potable water. This means you can confidently use the water stored in the tank for drinking, cooking, and other household needs. The tank's design prevents any contamination, ensuring that your water is clean and healthy, aligned with health and safety standards for drinking water. -
Question:
What is the importance of the 1/4" tank ball valve included with the tank?
Answer: The included 1/4" tank ball valve is essential for controlling water flow to and from the tank. It allows for easy maintenance and provides a straightforward way to shut off the water supply when needed. This feature is particularly useful during installation or any system servicing, making it easier to manage water pressure without causing leaks or disruptions. This small yet significant component ensures that you have complete control over your RO water system. -
Question:
How does the size of the expansion tank affect water supply?
Answer: The size of the expansion tank directly influences the amount of purified water available at your disposal. A 6-gallon tank strikes a balance between compact size and sufficient water storage, making it suitable for most households or small offices. While larger tanks can store more water, they may not fit in cramped spaces. Conversely, a tank that's too small can lead to inconsistent water pressure and frequent refills, thus impacting your everyday use. Choosing the right size based on your water consumption needs is crucial. -
Question:
What kind of maintenance does the RO water filtration system expansion tank require?
Answer: The maintenance for the RO water filtration system expansion tank is minimal but essential for optimal performance. Regularly check for leaks and ensure that the air pressure inside the tank remains at the recommended level to maintain efficiency. You may also want to periodically inspect the connections and the valve for any wear or damage. Keeping the tank clean and the pressure regulated ensures a long lifespan and reliable access to clean water for your home. -
Question:
Where can I buy the RO Water Filtration System Expansion Tank?
Answer: You can buy the RO Water Filtration System Expansion Tank from Ubuy in Saint Helena. Ubuy offers a wide selection of water filtration products, providing a convenient platform for purchasing this compact, efficient solution. Their services ensure a hassle-free buying experience, along with speedy access to various options that meet your specific water filtration needs.
tankRo Under-Sink & Countertop Filtration GTS3 Editorial Review
GTS6 6-Gallon Reverse Osmosis Storage Tank (Color May Vary) is designed to maintain steady water pressure for RO systems, featuring durable polypropylene construction and compact dimensions of 11.42"L x 11.42"W x 15.35"H. Users appreciate the significant capacity increase, as it can hold 6 gallons, ensuring a steady supply of purified water. Many reviews highlight the ease of installation and the overall effectiveness of the tank, allowing for a quick connection while addressing issues like low water pressure from previous systems. A few concerns were raised regarding the quality of included fittings, but overall customer satisfaction remains high with its performance.
Customer Reviews & Ratings
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Pros
- Durable polypropylene construction
- Compact design fits under sinks
- Capacity of 6 gallons for extra water
- Maintains steady pressure for RO systems
- Easy installation process
Cons
- Some customers reported poor quality of included fittings
Platform Trust & Buyer Confidence
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SHP 110
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