SKU: 7204790518

20 Gallon Pressurized RO Water Storage Tank | Flexwave Commercial RO Tanks

$414.26 $460.29
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

20 Gallon Pressurized RO Water Storage Tank | Flexwave Commercial RO Tanks20 Gallon RO Water Storage Tank for Commercial RO Systems Flexwave Composite Pressurized RO Tank Flexwave RO 20 Gallon Water Storage Tanks use a butyl rubber diaphragm to store and deliver reverse osmosis water using air pressure within the tank. Flexwave light commercial and residential RO composite storage vessels offer high strength, precision molded internal liner reinforced w continuous strand fiberglass and sealed w high grade epoxy resin.


20 Gallon RO Water Storage Tank for Commercial RO Systems

Flexwave Composite Pressurized RO Tank

Flexwave RO 20 Gallon Water Storage Tanks use a butyl rubber diaphragm to store and deliver reverse osmosis water using air pressure within the tank.

Flexwave light commercial and residential RO composite storage vessels offer high strength, precision molded internal liner reinforced w/ continuous strand fiberglass and sealed w/ high grade epoxy resin. Flexwave RO tanks are designed with oversized copolymer polypropylene lower water chamber with 100% butyl rubber diaphragm. Lightweight, non-corrosive construction for maximum life and maximum flexibility.

Flexwave composite tanks flaunt a seamless polypropylene liner that eliminates top and bottom leak issues, as well as stainless steel reinforcing rings that back up all threaded openings. Injection molded domes increase shape consistency and strength while wetted surfaces made of high quality polypropylene add zero taste or odor.

Flexwave FWRO20 can be used as a direct replacement for ROMATE20, which we have discontinued.

FLexwave RO Stroage Tanks are Quality Tested and Certified:

  • Made in USA
  • Certified to WQA-NSF/ANSI 61 and WQA-NSF/ANSI 372
  • All Flexwave tanks are 100% pressure tested and carry a 5 year limited warranty.

RO Tank Specifications

Model: FWRO20
Brand: Flexwave
Tank Volume: 22 Gallons (83 Liters)
Draw Down:
(@ 10 psi pre-charge)		 13.6 gallons @ 50 psi supply.
14.7 gallons @ 60 psi supply.
System Connection: 1" MNPT
Tank Dimensions:

 16.5" Dia. x 34"H
(62.5 cm x128.7 cm)
Tank Weight (empty): 26 lbs (11.8 kg)
Max. Working Pressure: 125 psi
Max. Working Temperature: 120°F (48.8°C)
Pre-Charge (adjustable): 20 psi
Shell:

 Copolymer polypropylene tank reinforced with fiberglass and sealed with epoxy resin.
Water Chamber: 100% butyl rubber diaphragm w/ copolymer polypropylene lower chamber
Connection: Male socket, rigid sch. 80 PVC
Air Valve: Brass with rubber o-ring seal
Replaces Models:





 ROMATE 20 (ROMATE20)
30839
34680
CH30839
RO20
ROMATE-20
Compatible With:


 Everpure DEV3115-70
Everpure DEV311570
Everpure EV3115-70
Everpure EV311570&nbsp

Additional Features & Benefits of Flexwave Storage Tanks

CAD-2 Water Chamber:

  • Used in all pressurized captive air composite and steel tanks
  • 100% Butyl rubber diaphragm
  • Cross-linked polypropylene lower chamber
  • Industry best sealing system, patented clinch ring, eliminates separation
  • Adds zero taste or odor
  • Virtually eliminates condensation
  • Oversized to reduce wear for extended life with high volume storage

Composite Tanks:

  • Seamless polypropylene liners eliminate top and bottom shell leak issues
  • Stainless steel reinforcing ring backs up all threaded openings
  • Injection molded domes increase shape consistency and strength
  • Wetted surfaces made of high quality polypropylene to add zero taste or odor
  • Continuous wound fiberglass and high temperature epoxy resin external shell eliminates corrosion
  • Precision molded rigid PVC bottom fittings

Durable Injection Molded Plastic Base:

  • Ribbed for exceptional strength and durability
  • Molded bolt holes for seismic and skid mount applications
  • Eliminates corrosion
  • EZ connection makes storage and contact tank installation quick & EZ

Applications for Pressurized Water Storage Tanks

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7204790518

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Kate
Birmingham, US
★★★★★ 5
Will be buying more
Size: X-Large, Color: Set-unbl
LOVE THESE! They’re so comfortable and stretchy.
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Reviewed in the United States on April 24, 2026
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Cme411
Los Angeles, US
★★★★★ 3
They're ok
Size: Large, Color: Set-mu2
These are ok. I'm 5'6", 150lbs. I got a large. The colors are fun. The waist band is comfortable, fits well, doesn't dig in, and sits high enough to not affect a my C-section scar, but they constantly ride up.
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Reviewed in the United States on March 12, 2026
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Diana L Fear
Carnegie, US
★★★★★ 5
Bamboo Cool Camisole
Color: White, Size: X-Large
The camisole is so soft even after the first wash. It is form fitting and fits nicely under my blouses. I would definitely buy Bamboo Cool again. Arrived on time & product was what I expected. Thank you.
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Reviewed in the United States on May 30, 2026
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Amazon Customer
Dallas, US
★★★★★ 4
Small
Color: Black, Size: Large
Runs very small
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Reviewed in the United States on May 27, 2026
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marce
Alexandria, US
★★★★★ 5
Son comodisimas
Color: White, Size: Medium
Muy lindas y cómodas
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Reviewed in the United States on April 6, 2026

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