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💧 Stay hydrated, stay ahead — pure water storage redefined!
The APEC Water Tank-4 is a 4-gallon pre-pressurized water storage tank designed for residential reverse osmosis systems. It holds up to 3.2 gallons of purified water, features a food-grade bladder certified for safety and durability, and supports efficient discharge in multiple orientations. Constructed with stainless steel connectors and fully enclosed reservoirs, it ensures leak-free, odorless water storage. Pressure-tested and CE approved, this tank is ideal for professional households seeking reliable, high-quality water storage solutions.













| ASIN | B00LU28SHE |
| Best Sellers Rank | #8,648 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Undersink Water Filtration Replacement Parts |
| Brand | APEC WATER |
| Brand Name | APEC WATER |
| Capacity | 4 gallons |
| Container Type | Tank |
| Customer Reviews | 4.6 out of 5 stars 3,320 Reviews |
| Global Trade Identification Number | 00854961005310 |
| Included Components | TANK-4 |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 11"L x 11"W x 14.5"H |
| Item Highlight | Holds Up to 3.2 Gallons, Food Grade Bladder, Efficient Discharge Options, 1/4 Inch Male Pipe Thread |
| Item Type Name | Reverse Osmosis Tank |
| Item Weight | 0.9 kg |
| LowerTemperature Range | 33 °F |
| Manufacturer | APEC Water Systems |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Flow Rate | 0.8 gpm |
| Model Name | TANK-4 |
| Model Number | TANK-4 |
| Number of Items | 1 |
| Operating Pressure Range | 5-100 psi |
| Other Special Features of the Product | Heavy Duty |
| Part Number | TANK-4 |
| Power Source | Corded Electric |
| Product Dimensions | 11"L x 11"W x 14.5"H |
| Purification Method | Reverse Osmosis |
| Special Feature | Heavy Duty |
| Supported Water TDS Level Maximum (PPM) | 500 |
| UPC | 854961005310 |
| Unit Count | 1 Count |
C**R
So far, so good!
I bought this to replace the stock tank for my RO system from GE. The old tank was barely putting out two cups of water at a time. However, the stock replacement was going to be around $150, so I was looking for a cheaper option. Since this tank is carried by the same store that I bought the RO system from, and they have it labeled as an "industry standard" in terms of pressure settings, I decided to give it a try. And so far, it works great! Much better pressure, and I get a lot more water out of the system at a time. Notably too, the water tastes better! Maybe because it's not mixing with old, stagnant water that can't be expelled. Super easy to install! Bought a shut off valve fitting to connect the tank to the plastic line of my system, and managed to connect it easily. Be sure to use plumbers tape on the fitting. I also used an O-ring for good measure. So far, no issues with leaking, as other people are reporting in their reviews.
M**Y
Good quality - just like the original tank.
Nice unit. Looks identical to the one I replaced on my original RO system. Original tank lasted 24 years! Replaced it due to a leaking internal bladder. This one fixed the problem - back to good water pressure.
P**T
Great APEC tank for my Reverse Osmosis kitchen faucet system-nice price-great flow for my RO filter
Great APEC tank for my Reverse Osmosis kitchen faucet filter. I've installed & used APEC Reverse Osmosis water systems for decades in my houses through the years and installed them for family members and friends. APEC RO systems are straightforward to install and provide clean pure water for cooking, drinking and giving to pets. APEC is a U.S. owned company that provides great customer service and excellent water filtering products: RO filter for kitchen cooking and drinking, whole house water filters to filter out chlorine and contaminants before the water can get to your shower/bathtub. I've had this 4 gallon tank in my APEC RO system, for 10 years in my present house. I recently found that I wasn't able to dispense more than half a gallon of filtered water at a time. Replacing this 4 gallon water tank (about a 19 minute job) restored my RO system's pressure and water flow back to gallons and gallons whenever needed. This tank is a bargain at a little more than $40 - I didn't have to replace my RO system to restore full filter flow. I recommend APEC water filter systems - excellent quality, a good value and great customer service!
S**N
Very good
Very good, work very well . it fit my water filter system.
A**G
Lasted 4yrs
Lasted 4 years and 10 days. Very straightforward to install. And fitting perfectly under kitchen sink. Bladder failed.
D**S
Good tank
No more problems with running out of water and implement on water flow
A**S
Great replacement
Our reverse osmosis tank went out and this APEC tank was specifically recommended (at a much cheaper price than water company who had initially installed original). Husband was able to install quickly and had our water refilled in about an hour.
R**E
APEC Fresh Water Holding Tank Performs Excellent Daily !
Excellent product and always functions perfectly! Thank you!
M**Y
Unlimited RO water
Now able to run gallons of water without dropping pressure.
E**O
Regular
Me gustó que fuera blanco, otras marcas tienen colores más feos en estos mismos tamaños como crema o azul y como en mi caso el tanque está expuesto, así que es importante que se vea bien. Solo hubo 2 cosas que no me gustaron: 1. El material y el diseño de la base es pobre: para empezar, la parte de la base que está en contacto con el piso no es ancha, así que el peso se recarga sobre un borde más o menos delgado, con el paso del tiempo y el peso continuo, puede que se termine por vencer el plástico y rompa el conector de agua; la base no está fijada al tanque, lo que tiene sus ventajas en comodidad (a la hora de conectarlo resulta mucho más sencillo que con los tanques de base fija) pero pienso que también le resta estabilidad. Respecto al diseño del tanque y de la base, considero que es un problema porque el conector de agua mira hacia abajo y requiere de una pieza en 90°, por lo que cualquier otra pieza que no sea la original será complicada de utilizar porque la base da poco espacio de maniobra respecto del suelo y eso genera mi siguiente problema. 2. No se incluye el conector del tanque, por lo que es imposible usarlo de inmediato si no se ordena la pieza necesaria con anticipación, lo cual me parece totalmente absurdo. De manera que si planeas comprarlo, será mejor que también consideres el precio del conector 3/4 NPT a manguera de 1/4 que no vende Amazon México, sino Amazon EEUU y que en este caso, cobra envío aún con prime, así que no es precisamente barato, aun si está en oferta.
メ**会
バルブ有無の記述なし。
到着まで不明で問い合わせても全く音信不通です。おすすめできません。
T**N
Came damaged
Came damaged tank looks good but dinged in 2 different spots
U**E
10
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Trustpilot
1 month ago
1 month ago