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tankRo RO132-TNK RO Water Filtration System Expansion Tank 4 Gallon Capacity – NSF Certified – Compact Reverse Osmosis Water Storage Pressure Tank 1/4" Tank Ball Valve

4.6 4.6 out of 5 stars 1,852 ratings

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Purchase options and add-ons

Brand EXPRESS WATER
Special Feature Durability
Package Information Tank
Power Source Adapter
Item Weight 7.65 Pounds
Model Name V-RO132-TNK
Operating Pressure Range 100 PSI
Material
Alloy Steel
Capacity
4 Gallons
Included Components
4-Gallon Water Storage Tank, Tank Ball Valve, Tank Stand See more
Purification Method
Reverse Osmosis

About this item

  • Reverse Osmosis Tank: Keeps your water free from any impurities and harsh chemicals. The perfect addition to any RO water system.
  • Easy to Install Water Tank: RO tank replacements include free tank ball valve for easy set-up and replacement with 1⁄4” quick connect design.
  • Every water tank is rigorously tested for quality and durability.
  • High Quality Water Tank: This water storage tank is made from durable deep-drawn steel domes with precision welding to ensure long lasting value for your RO water system
  • Water Tank Dimensions: This compact water tank is designed (15 x 12 x 12) to fit under most kitchen sinks. Stores up to 3.2 gallons of water for on-demand filtered drinking water.
See more product details

Additional Details

Small Business
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Customer ratings by feature

Easy to install
4.7 4.7
Flavor
4.4 4.4
Value for money
4.4 4.4

Frequently bought together

$41.21
Get it as soon as Tuesday, Apr 2
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Ships from and sold by Amazon.com.
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From the brand


From the manufacturer

Heavy Duty Construction

  • Coated with 2-part epoxy primer and finished with polyurethane to resist damage even in the outdoors
  • The airtight adjustable bladder is made of high grade Chlorobutyl rubber
  • The inside liner is made of Virgin Polypropylene, the most durable liner
  • Ensures you water is tasteless, odorless, impurity free

All the Water You Need

The tankRO 4 Gallon Water Tank is ensures your water remains as clean, impurity free, and fresh tasting as when it entered.

A 4 gallon tank holds 3.2 gallons of water. All tanks have a certain amount of their capacity used by the air bladder, which is necessary for drawing water from the tank.

Tank Valve Included

A free 1/4" tank valve is included

Quick Connect Compatible

Compatible setup for quick connect tubing

Free Tank Stand

Comes with a tank stand to secure the tank

Be Confident

All components are high quality food-grade and NSF Certified

  • A sealed brass air nozzle and o-ring sealed air valve caps means consistent air pressure
  • Designed to last over five years
  • Certificate# C0353911-02, Issue Date: January 16, 2018

Product guides and documents

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Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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tankRo RO132-TNK RO Water Filtration System Expansion Tank 4 Gallon Capacity – NSF Certified – Compact Reverse Osmosis Water Storage Pressure Tank 1/4" Tank Ball Valve


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Product Description

The tankRO 4 Gallon Water Storage Tank gives tasteless, odorless, and contaminant free water. Get a quality tank you can rely on today. The post cured diaphragm means sterile water distribution to keep your water safe. The water reservoir can hold up to 3.2 gallons of water at once, with the rest of the storage area being occupied by the pre pressurized air bladder, which helps you draw water from the tank. This tank comes with a free Tank Ball Valve and a free Tank Stand. All components are NSF Certified. Designed to fit under sinks this water holding tank will fit most kitchen cabinets, it is made to work when lying on its side or upright. Maximum working pressure of the tank is 100 PSI. The tank is also designed to survive the outdoor elements with a two part epoxy primer and polyurethane paint finish. This is a fully functional pressure tank for water wells. The water accumulator chamber of the tank includes the highest grade of polypropylene, virgin polypropylene, meaning you have the most durable and smooth inside lining. This tank is built to last with heavy duty commercial construction with durable deep drawn steel domes and precision welded seams. Improve your water today.

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tankRo RO132-TNK RO Water Filtration System Expansion Tank 4 Gallon Capacity – NSF Certified – Compact Reverse Osmosis Water Storage Pressure Tank 1/4" Tank Ball Valve
EXPRESS WATER tankRo RO132-TNK RO Water Filtration System Expansion Tank 4 Gallon Capacity – NSF Certified – Compact Reverse Osmosis Water Storage Pressure Tank 1/4" Tank Ball Valve
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Price$41.21$31.99-11% $40.00
List:$44.95
-19% $65.16
List:$79.99
$38.69-25% $38.81
List:$51.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it Apr 2 - 4
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to install
4.7
4.7
4.9
4.7
4.6
4.7
Flavor
4.4
4.5
4.7
4.4
4.2
4.4
Value for money
4.4
4.4
4.7
4.6
4.8
4.6
Tech Support
4.6
4.2
4.2
4.2
Sold By
Amazon.com
WaterdropDirect
Amazon.com
Amazon.com
Geekpure Water Group
Amazon.com
purification method
Reverse Osmosis
Reverse Osmosis
Reverse Osmosis
Reverse Osmosis
Reverse Osmosis
Reverse Osmosis
capacity
4 gallons
0.26 gallons
3 gallons
5.5 gallons
2.8 gallons
4 gallons
model name
V-RO132-TNK
WD-PMT
TANK-3
T55M 5.5 Gallon Residential
Pressurized Water Storage Tank
material
Alloy Steel
BPA-Free
Stainless Steel
Metal tank
Stainless Steel
Stainless Steel
included components
4-Gallon Water Storage Tank, Tank Ball Valve, Tank Stand
Pressure mini water tank
TANK-3
Tank, Parts
Just Tank in the Box
tank
weight
7.65 pounds
1.01 kilograms
5.06 pounds
5.5 pounds
8 pounds
lower temperature rate
104 degrees fahrenheit
40 degrees fahrenheit
45 degrees fahrenheit

Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,852 global ratings

Customers say

Customers like the performance, value, and ease of installation of the water purification unit. For example, they mention that it works well, is easy to replace, and has a good price. That said, some complain about the leakage. Opinions are mixed on pressure and fit.

AI-generated from the text of customer reviews

269 customers mention252 positive17 negative

Customers are satisfied with the performance of the water purification unit. They mention that the tank is operating perfectly, the RO system works like new, and the replacement tank has performed perfectly. They also appreciate the low cost and lack of problems with the tank.

"...And that is certainly true! Makes plenty of water. Works great...." Read more

"I’ve had this for several months now and it works great. Great pressure and 3.2 gallons are sufficient for daily use for a household of 5-6." Read more

"...The replacement tank has performed perfectly, and is an excellent value considering that it does the job of the OEM tank at a fraction of the cost." Read more

"...So far, this one has been working great! Rating increased to 5 stars.Purchased last year to replace a failed tank...." Read more

179 customers mention131 positive48 negative

Customers like the quality of the water purification unit. They mention that it's well built, solid, and well formed. The water stream is strong all the way till the tank is empty. It's an excellent RO system storage tank that makes plenty of water.

"...And that is certainly true! Makes plenty of water. Works great...." Read more

"...The construction of the tank is first class!!" Read more

"...The price was right, but this one also failed after 13 months with a ruptured bladder...." Read more

"...The water stream is strong all the way till the tank is empty when it suddenly drops to a trickle...." Read more

166 customers mention163 positive3 negative

Customers find the installation process of the water purification unit to be super easy. They mention that the product is a true plug-and-play device, with simple and straightforward instructions.

"...Tank installation was a breeze...." Read more

"Arrived quickly and extremely easy to install." Read more

"Super easy to install, bring your own teflon tape to seal tap on top of unit...." Read more

"This tank is easy to install and holds a lot of water. I like it better than my last smaller one pressurize just fine upon receiving." Read more

85 customers mention76 positive9 negative

Customers like the value of the water purification unit. They say it has a good price.

"...The replacement tank has performed perfectly, and is an excellent value considering that it does the job of the OEM tank at a fraction of the cost." Read more

"...Purchased last year to replace a failed tank. The price was right, but this one also failed after 13 months with a ruptured bladder...." Read more

"Good value for the money. The fitting at the top may be the wrong one so it may require modification. Other than that fairly easy to install" Read more

"...This brand had a good price and was in-stock for fast delivery...." Read more

54 customers mention54 positive0 negative

Customers find the replacement for their water purification unit to be easy to install. They say it's a perfect fit and works well. Some mention that the tank is easy to swap out with their old tank. Overall, most are happy with their purchase and recommend it to others.

"...This one was easy to replace and already pre-pressurized. I just needed to hook up the water lines and done." Read more

"This is a sturdy metal water tank - simple to replace the cracked plastic on my RO filter...." Read more

"Great replacement for a previous tank. Easy to follow instructions. Had to reuse old valve, because hose was a different size...." Read more

"Easy and perfect replacement for my 6 year old RO tank with a bad bladder. I think it’s even made in USA!" Read more

61 customers mention32 positive29 negative

Customers are mixed about the pressure of the water purification unit. Some mention it has great pressure, while others say that it lost pressure completely.

"I’ve had this for several months now and it works great. Great pressure and 3.2 gallons are sufficient for daily use for a household of 5-6." Read more

"...system is 18 years old and I noticed that the existing storage tank pressure would drop dramatically if we only used 500 ml or 17 ounces of water...." Read more

"...So far so good. Good water pressure. I will update again if/when it fails.UPDATE May 2018: I am adding two stars...." Read more

"...I started noticing that water pressure became lower and lower, and I could only get about 50-60 oz of water before it came to a drip...." Read more

56 customers mention34 positive22 negative

Customers are mixed about the fit of the water purification unit. Some mention that it fits perfectly, while others say that the valve was too small and the fitting sizes were too small.

"...And since it is barely any larger than the older unit, it fits in the cramped space under the kitchen sink. Great!" Read more

"...Save the one off your old unit as the one it comes with is a little small and may not fit your system...." Read more

"...I opted for this storage tank because it was affordable and compatible. Tank installation was a breeze...." Read more

"Fit right up no problem, did have to swap with old shut off though." Read more

40 customers mention7 positive33 negative

Customers are dissatisfied with the leakage of the water purification unit. They mention that the valve leaked at the threading, the T valve kept leaking from the tank fitting, and the angle shut-off valve leached at the 1/4 inch end. Customers also say that the connection will leak unless Teflon tape is used.

"...So, I learned that this is likely caused by a blown bladder in the tank. And that is certainly true! Makes plenty of water. Works great...." Read more

"...Not a big deal, but the real problem was the T valve kept leaking from the tank fitting...." Read more

"...my 4th.... the last one to fail was from Express Water: the air bladder started leaking... it had only been in use for a couple of years but I..." Read more

"...in the tank and found water in the air chamber, which means the bladder has a leak. Will try a different brand now." Read more

Perfect Replacement Water Tank.
5 Stars
Perfect Replacement Water Tank.
The tank arrived fast and was packaged very well.The construction of the tank is first class!!
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Joe
5.0 out of 5 stars Perfect Replacement Water Tank.
Reviewed in the United States on February 15, 2024
The tank arrived fast and was packaged very well.
The construction of the tank is first class!!
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