My well water pressure range is from 40 low side to 65 high side. What can I expect for the amount of water stored in this tank?

The measurement is based on the standard RO systems with the recorded input water pressure.40psi - tank fills 6.1 gallons50psi - tank fills 7.8 gallons60psi - tank fills 9.0 gallons70psi - tank fills 9.7 gallonsActual storage capacity may vary.

What are the exact dimensions of this tank? amazon says 18x18x25 and the manufacture web site says 15 3/8"d x 22 7/8"h. i have a tight fit.

My tank stands 23" high and 15.5" wide. It is sitting on the provided base.

The tank ships with a black rubber plug in the valve fitting, should this be removed?

Hello, no, there is an opening within that diaphragm for the the water to enter and exit. Please leave it in place. If you need any help or assistance, feel free to contact us directly by calling 1-800-880-4808 or e-mailing us at info@apecwater.com. We are in the office from Monday-Friday from 8:00am-5:30pm PST. Best Regards, APEC Customer Service

This tank will work if i use it with the valve facing up, but will there be any negative affects to the bladder if i use it in this orientation?

Mine has been valve up since I got it, still works great. I'm pretty sure it can't and doesn't make a difference.

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APEC TANK-14 14 Gallon Pre-pressurized Reverse Osmosis Water Storage Tank

Product ID: 12092416

Details

Brand
APEC WATER
Capacity
14 Gallons
Included Components
TANK-14
Installation Type
Under Sink
Material
Stainless
Model Name
TANK-14

💧14 gal capacity, holds 10.7 gal usable

⚙️3/4 inch NPT inlet/outlet for faster flow

🛡️Pre-pressurized, leak-proof bladder tech

$833.03

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Description

💧 Elevate your hydration game with triple capacity and turbo flow—because your family deserves the best.

FLEXIBLE INSTALLATION - Discharges efficiently in vertical or horizontal positions with included tank stand—fits your space, your way.
DURABILITY MEETS SAFETY - High-grade stainless steel and post-cured diaphragms guarantee odor-free, leak-proof purity.
TRIPLE CAPACITY UPGRADE - Holds 3X more water than standard 4 gal tanks—never run dry during peak demand.
OPTIMIZED FLOW PERFORMANCE - Larger 3/4 inch connectors ensure rapid tank refills and powerful faucet delivery pressure.
CERTIFIED QUALITY ASSURANCE - Pressure-tested and CE approved for global safety and reliability—trusted by thousands of households.

The APEC TANK-14 is a 14-gallon pre-pressurized reverse osmosis water storage tank designed for high-volume purified water delivery. It features a durable stainless steel build, a high-grade bladder for leak-proof performance, and a large 3/4 inch NPT inlet/outlet for faster refills and improved flow rate. Certified and pressure-tested for safety, it supports both vertical and horizontal installation, making it ideal for medium to large households seeking reliable, odor-free RO water storage.

Specifications

ASIN	B00NQC516W
Best Sellers Rank	#6,614 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #83 in Under-Sink & Countertop Filtration
Brand	APEC WATER
Brand Name	APEC WATER
Capacity	14 gallons
Color	White
Customer Reviews	4.6 out of 5 stars 3,290 Reviews
Global Trade Identification Number	00854961005570
Included Components	TANK-14
Item Dimensions L x W x H	16"L x 16"W x 23"H
Item Type Name	Reverse Osmosis Tank
Item Weight	10.23 Kilograms
Manufacturer	APEC WATER SYSTEMS
Manufacturer Part Number	TANK-14-A
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	TANK-14-A
Product Dimensions	16"L x 16"W x 23"H
Smart Home Compatibility	Not Smart Home Compatible
UPC	854961005570
Unit Count	1.0 Count

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$833.03

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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