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Why you’ll love it

RestaurantSupply.com is your trusted source for 3M reverse osmosis storage tanks.

  • Authorized 3M dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock 3M 40 GALLON RO TANK FRP-5598409 reverse osmosis storage tanks
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Optional 24.25 Inch Fiberglass Reverse Osmosis Storage Tank, 3M 40 GALLON RO TANK FRP-5598409

3M  |  MFG #: 40 GALLON RO TANK FRP-5598409  |  Item #: 458846  |  UPC #: 00016145008078
Item: #458846

Technical details
Manufacturer 3M Purification
Model Number 40 GALLON RO TANK FRP-5598409
Manufacturer Part # 40 GALLON RO TANK FRP-5598409
Height 52"
Width 24.25"
Depth 24.25"
Weight 65 lbs
UPC 00016145008078

About this item

Product Details

The 3M™ Water Filtration Products 40 GALLON REVERSE OSMOSIS STORAGE TANK FRP-5598409 is a high-capacity, industrial-grade fiberglass hydro-pneumatic tank designed for commercial water filtration systems. Measuring 52 inches in height and 24.25 inches in diameter, this tank provides a reliable 40-gallon storage capacity operating effectively at 60 PSI. Constructed from durable fiberglass-reinforced plastic (FRP) with a 100% butyl diaphragm and antimicrobial polypropylene lower chamber, it ensures long-term performance and resistance to microbial growth. The tank accepts 3/8" or 1/2" tubing, making it compatible with various reverse osmosis systems. It is engineered to handle maximum pressures of 125 PSI at 100°F, making it suitable for consistent high-volume water storage in commercial foodservice and industrial applications, providing essential pressure stabilization and supply management for water treatment needs.

Top 3M 40 GALLON RO TANK FRP-5598409 Features

The 3M FRP-5598409 reverse osmosis storage tank offers a robust fiberglass construction for durability in demanding environments. Its 40-gallon capacity supports medium-volume water storage, ideal for commercial kitchens and water treatment facilities. The tank’s anti-microbial polypropylene lower chamber simplifies sanitation routines, while its compatibility with 3/8" or 1/2" tubing ensures seamless system integration. Its design facilitates reliable pressure regulation and minimizes maintenance requirements for continuous operation. Suitable for applications requiring high-pressure resistance and microbial protection, this tank enhances workflow efficiency by stabilizing water supply in commercial filtration setups.

  • Capacity: 40 gallons for sustained water storage
  • Material Grade: Fiberglass reinforced plastic with antimicrobial polypropylene
  • Durability Traits: Withstands pressures up to 125 PSI at 100°F
  • Ease of Maintenance: 100% butyl diaphragm allows quick inspection and service
  • Integration Compatibility: Accepts 3/8" or 1/2" tubing for flexible system connection

Designed for commercial water treatment systems requiring reliable pressure stabilization and microbial control.

3M 40 GALLON RO TANK FRP-5598409 Technical Specs

Constructed from high-grade fiberglass reinforced plastic, the 3M FRP-5598409 reverse osmosis storage tank features a 52-inch height, 24.25-inch diameter, and a weight of 75 lbs. It operates at a maximum pressure of 125 PSI, with a temperature range suitable for typical water treatment environments. The tank’s antimicrobial polypropylene lower chamber ensures sanitation and microbial growth resistance, supporting long-term use in commercial settings. Its electrical parameters are not applicable, focusing instead on mechanical resilience and pressure handling. Designed for seamless integration with RO systems, it offers a 40-gallon capacity per 24 hours, primarily used in water filtration for foodservice operations, manufacturing, and industrial facilities. The tank’s corrosion-resistant construction and compatibility with common plumbing fittings optimize operational longevity and system efficiency.

  • Dimensions: 52" H x 24.25" W/D for space-efficient installation
  • Weight: 75 lbs for stable positioning in commercial environments
  • Temperature Resistance: Operates safely up to 125 PSI at 100°F
  • Materials: Fiberglass reinforced plastic with antimicrobial polypropylene finish
  • Storage Capacity: Exact 40-gallon volume for continuous water supply
  • Connection Compatibility: Accepts 3/8" or 1/2" tubing and plumbing fittings

What is a commercial reverse osmosis storage tank?

A commercial reverse osmosis storage tank is a high-capacity water reservoir designed to support industrial or foodservice filtration systems. It stabilizes water pressure and supply, essential for continuous operation. The 3M™ Water Filtration Products 40 GALLON RO TANK FRP-5598409 offers a durable fiberglass construction, 40-gallon capacity, and antimicrobial features, making it suitable for food processing, beverage production, and large-scale water treatment applications. Installed in commercial water treatment setups, it helps maintain consistent output and system efficiency, especially in environments demanding reliable microbial protection and pressure regulation for high-volume operations.

Top reverse osmosis storage tanks for commercial water filtration

Reliable and durable, the 3M 40 GALLON RO TANK FRP-5598409 is ideal for commercial water filtration systems supporting foodservice and industrial workflows. Manufactured by 3M Purification, it provides medium-volume storage with microbial resistance and high-pressure tolerance, suited for installation in water treatment facilities, commercial kitchens, and beverage operations, ensuring stable water supply for continuous service.

  • Operation Type — suitable for medium-volume commercial water filtration
  • Kitchen Type — ideal for industrial kitchens and foodservice facilities
  • Foodservice Category — supports beverage and food production environments
  • Workload Qualifier — designed for moderate throughput applications
  • Use Case — supports membrane system pressure stabilization and microbial protection

Why Choose 3M 40 GALLON RO TANK FRP-5598409

Why choose the 3M FRP-5598409 over comparable tanks? Its robust fiberglass construction ensures longevity in demanding environments, while the antimicrobial polypropylene lower chamber simplifies sanitation routines. Its ability to withstand high pressure and compatibility with standard plumbing fittings enhance operational efficiency and system reliability, making it a preferred option for commercial water treatment applications requiring consistent and safe water storage.

  • Self-contained design minimizes footprint and simplifies installation
  • Corrosion-resistant fiberglass for extended durability
  • Antimicrobial chamber reduces microbial growth risk
  • High-pressure capacity supports demanding water systems
  • Compatible with standard 3/8" or 1/2" tubing for easy integration

Customer reviews

3M 40 GALLON RO TANK FRP-5598409 (5598409) 3M™ Water Filtration Products Reverse Osmosis Storage Tank
3M Purification

Optional 24.25 Inch Fiberglass Reverse Osmosis Storage Tank, 3M 40 GALLON RO TANK FRP-5598409

$1,256.49 $2,611.50

3M Purification, 40 GALLON RO TANK FRP-5598409, (5598409) 3M™ Water Filtration Products Reverse Osmosis Storage Tank, 52"H x 24.25" dia., 40 gallons capacity @ 60 PSI, accepts 3/8" or 1/2" tubing, fiberglass hydro-pneumatic tank (FRP), 100% butyl diaphragm, anti-microbial polypropylene lower chamber, 125 PSI max pressure at 100°F (fittings designed to accept plumbing from all 3M™ RO units), WQA Gold Seal Certified