Last Updated: September 29, 2019 (Refresh Now)
RO Expansion Tank 4 Gallon NSF Certified Compact Reverse Osmosis Water Storage Pressure Tank by tankRO with Free Tank Ball Valve
Last Updated: September 29, 2019 (Refresh Now)
8.3
SCORE
/10
Total Reviews
537
Old Reviews
310
Unverified
25
Spam Test
PASS
Review Analysis - 202 recent, verified reviews
Detailed Mode
Setup
30install, water, easy, tank, simple
+100%
" ... As expected, standard fittings, and easy to connect. ... "
" ... Easy to install. ... "
" ... Easy to install ... "
" ... Instructions were very easy to follow. ... "
" ... easier to install than i imagined. ... "
" ... I was replacing an older tank and had no issues with installation or performance ... "
" ... Installation a snap. ... "
" ... this works great and was easy to install, make sure you check the empty pressure before you hook it up. ... "
Product Reliability
24tank, lasted, failed, ro, working
+50%
-50%
" ... even knowing that if their product works the way it should, I'd likely only be a customer once every 10 years . ... "
" ... Barely 6 months later and this one has also stopped working. ... "
" ... These tanks only lasted 18 months. ... "
" ... but no longer holds pressure after 2 years. ... "
" ... Usually I get 3-4 years out of a tank, this one lasted less than a year before the diaphragm leaked. ... "
" ... Almost one year to the day of purchase & it has failed :( ... "
" ... I’ve only had it for 3 months ! ... "
" ... Bladder failed after 13 months. ... "
Ease of Use
20easy to install, tank, pressure, install, instructions
+100%
" ... Easy replacement and worked like a champ. ... "
" ... Easy to install and use. ... "
" ... Overall it was easy to re-install to my existing RO unit. ... "
" ... Easy to install ... "
" ... Task to replace super easy. ... "
" ... Easy to install, but I had to buy a new valve for it to fit the hoses. ... Got them from Lowe’s and it was easy after that ... "
" ... easier to install than i imagined. ... "
" ... I did have to change the pressure, but that was easy, and it can't be set from the factory for every location/situation. ... "
Storage
20gallon, capacity, valve, works great, storage tank
+80%
-20%
" ... The tank arrived safely packed in two cardboard boxes. ... "
" ... An excellent RO system storage tank. ... Now I can fill a gallon jug no problem. ... "
" ... I simply removed the tank valve from my old unit, installed, and put the yellow larger tube in. ... "
" ... Again, the internal bladder that provides the pressure takes up some of the "four" gallon space. ... "
" ... Slightly larger than the original, but still fits easily under the sink and provides much more capacity than the original. ... "
" ... Perfect option to replace my older 2 gallon unit. ... "
" ... We noticed the storage flow of this set up really works great. ... "
" ... The tank was properly pressurized and a good quality fitting is provided although that was the wrong size for my needs. ... "
Water Usage
19tank, pressure, ro, old tank, new tank
+79%
-21%
" ... filters of course once or more per year but you usually expect the water tank to last quite some time . ... "
" ... The water tastes great. ... "
" ... THX EXPRESS WATER FOR THE GOOD PRODUCT. ... "
" ... Nice to have the extra water. ... "
" ... The new tank has a larger water reservoir and, based on the reviews, is better constructed and more robust than my old 2.7 gal tank. ... "
" ... Now we can fill all our water bottles without ever worrying about running out of filtered water. ... "
" ... Water production quality flawless. ... "
" ... After filling the new tank and purging it two times, the water tastes wonderful and there is a heck of a lot of water pressure now ! ... "
Fit
19valve, fitting, pressure, tubing, old tank
+84%
-16%
" ... Slightly larger than the original, but still fits easily under the sink and provides much more capacity than the original. ... "
" ... Was able to fit my old valve on top and fill er right up. ... "
" ... The petcock leaked first time, so I removed the valve and tightened it good with fresh teflon tape. ... "
" ... Turns out this tank fits great! ... "
" ... I had to buy another valve for the top to fit my lines, but it has been working fine for the last 8 months or so. ... "
" ... I kept all parts from the original unit and was able to use the original tank-to-hose fitting from the original, as it fit the new tank, thus was able to install the new tank in less than a minute, with no adapters needed at all. ... and hopefully they will fit the new one. ... "
" ... No worries, because a reno is planned in the near future and it will fit afterwards! ... "
" ... Dont forget to put on four layers of teflone tape on the thread. ... "
Build Quality
16valve, tubing, threads, tape, leaks
+69%
-31%
" ... The black plastic base is perfect size for securing the tank either upright or on its side. ... "
" ... This tank was easy to work with - I was able to unscrew the tap off the old one and screw it onto the new one. ... "
" ... Made of high quality materials and being priced reasonably, I ordered TANKRO after my old tank went down. ... "
" ... Seems heavy duty and quality. ... "
" ... Great price so far so good works as advertised build seems decent ... "
" ... Dont forget to put on four layers of teflone tape on the thread. ... "
" ... Well built tank. ... "
" ... Easy to install, but I had to buy a new valve for it to fit the hoses. ... "
Marketplace
12seller, original, company, called, arrived
+92%
-8%
" ... We love you, AMAZON! ... "
" ... Product arrived in a timely fashion. ... "
" ... It arrived in perfect condition and with paperwork that indicated the seller is very interested in customer satisfaction and want to assist if there is a problem. ... I would buy from this brand and seller again if I need to in the future. ... "
" ... Thank you Judy PS the delivery was expedient ... "
" ... Same as original. ... "
" ... Everything is as promised by the company and Amazon description. ... "
" ... but this arrived on time and has been a great purchase! ... "
" ... Work as the original. ... "
Water Resistance
12tank, pressure, ro, old tank, whirlpool
+50%
-50%
" ... It’s a potable water item!!!!! ... "
" ... marine reef fish tank ... "
" ... The stats for the change to fill 1 cup of water are: Culligan, 9.28 seconds, RO 6.59 seconds. ... "
" ... Many, if not most RO units from Whirlpool and other mfg's use 3/8" for their water "in" line. ... "
" ... I could only get about 6oz of water at a time. ... "
Delivery
10delivered, delivery, tank, timely manner, timely
+90%
-10%
" ... but this arrived on time and has been a great purchase! ... "
" ... Quick delivery and as described ... "
" ... The tank arrived safely packed in two cardboard boxes. ... "
" ... Product arrived in a timely fashion. ... "
" ... The item arrived as described in a timely manner. ... "
" ... Thank you Judy PS the delivery was expedient ... "
" ... Arrived on time as described. ... "
" ... Very good product and delivery service !! ... "
Price
9product, value, reasonable, cost, years
+89%
-11%
" ... Great value and product. ... "
" ... I shopped hard for the best deal. ... "
" ... Great product for a very reasonable price. ... "
" ... Excellnt product and price! ... "
Comfort
7lost, years, tank, longer, old
+14%
-86%
" ... but no longer holds pressure after 2 years. ... "
" ... Just bought this a couple of months ago and it already won't hold pressure! ... "
" ... It has already lost its pressure and isn t working. ... "
" ... We bought this in June 2017 to replace a several years old tank that had lost pressure. ... "
" ... replaced a tank that no longer held pressure. ... "
" ... Lost head pressure after 2 years. ... "
Returns
4item, failed, bladder
+25%
-75%
" ... Return window closed on Aug 7, 2019 ... "
" ... i flushed it multiple times, and did use it for about 2 weeks before getting a replacement. ... With the replacement, same exact problem. ... "
Memory
3works great, storage tank, storage, capacity
+100%
" ... We noticed the storage flow of this set up really works great. ... "
" ... Now my RO System has it's full capacity again. ... "
" ... An excellent RO system storage tank. ... "
Device Compatibility
3easy, connect
+100%
" ... As expected, standard fittings, and easy to connect. ... "
" ... Hooked up easily and works well. ... "
Charging
3+100%
" ... The reason for buying the RO was simple: Culligan charges $100.00 for a replacement tank. ... "
" ... They will probably charge an arm and a leg for it. ... "
" ... Arrived with 7.5psi pre-charged, so I didn't even have to add air. ... "
Review Spam Test PASS
In order to keep our review summaries as accurate as possible, we aggressively detect fake reviews. We use various signals to detect unnatural patterns and will gradually expose them here.
Specifications
No specs available.