3"x21" | 450 gpd | Seawater RO Membrane for Sea Recovery Watermaker | Replaces 2724011233

In Stock for Immediate Shipment.
More Information

AMI SWRO Seawater Reverse Osmosis Membrane Elements for Watermakers
AMI 3x21 Seawater Desalination Reverse Osmosis Membrane Replacement for 2724011233
For Replacement in Sea Recovery Watermaker Systems

Add AMI Membrane Quality to your Existing Seawater Desalination Equipment

AMI Seawater RO Membranes can be used as replacement in Sea Recovery and Blue Water Desalination Watermakers, with exceptional value and performance benefits.  AMI 3x21 elements  replace Sea Recovery 2724011233 membrane, and will fit Sea Recovery Aquamatic, Aqua Whisper, and Ultra Whisper Desalination Systems.  AMI SWRO membranes offer the high rejection and high productivity that is ideal for seawater desalination in shipboard applications, watermakers, land-based desalinators and sea-based desalinators.  Made in the USA in Applied Membranes ISO 9001:2015 Certified Facility and 100% Quality and Performance Tested.

Looking for a replacement seawater desalination membrane element for your watermaker filter system? View our Watermaker Replacement Membrane Chart.

Specifications for 

SWRO Membranes for Watermakers

Benefits of AMI Seawater Membranes for Sea Recovery Watermakers:

  • Add AMI Membrane Quality and Value to your Existing Seawater Desalination Equipment
  • Convert seawater into drinking water on yachts, boats, cruise ships, off- shore platforms, and resorts
  • High Rejection & Flow Rate 
  • Made in the USA 
  • Manufactured in ISO 9001:2015 Certified Facilities 
  • 100% Performance and Quality Tested 
  • High Quality for Consistent and Reliable Performance
  • Uses the most advanced membrane film technology and manufacturing processes
  • Standard dimensions to fit in commonly available housings
Genuine AMI Membranes ISO USA Quality

Specifications for M-S3021A

AMI Model Number M-S3021A
For use in Systems:

Aqua Whisper Mini  AM170
Aqua Matic 450-1
Aqua Matic 900-2
Ultra Whisper 200
Aqua Whisper DX 450-1
Aqua Whisper DX 900-2
Aqua Whisper PRO 450-1
Aqua Whisper PRO 900-2
Can Replace Models: Sea Recovery 2724011233
Size (Approximate): 3" Dia. x 21"L
Flow Rate: 450 gpd (1.7 m³/d)
Applied Pressure: 800 psig (55 bar)
Stabilized Salt Rejection: 99.6%
Minimize Salt Rejection: 99.4%
Exterior: Hard Shell Fiberglass
Membrane Type:
Polyamide Thin-Film

Permeate flow and salt rejection based on 32,000 ppm NaCl feed stream, pressure and recovery listed above.  Element Permeate flow may vary +/- 20%

Operating Limits for M-S3021A

Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 1,000 psig (69 bar)
Maximum Pressure Drop: 15 psig (1 bar)
Maximum Feed Flow Rate: 6 gpm (1.4m³/h)
pH Range, Continuous Operation: 2-11
pH Range, Short-Term Cleaning: 1-13
Maximum Feed Silt Density Index: SDI 5
Fere Clorine Tolerance: 0


Related Products for use with M-S3021A Seawater Elements

C-C2510-A11 Membrane Cleaning Cartridge with Acid Cleaner to Remove Scale Buildup and Prolong Membrane Life
C-C2510-A22 Membrane Cleaning Cartridge with Alkaline Cleaner to Remove Organics and Prolong Membrane Life
C-C2510-A88  Membrane Preservative Cartridge for Preserving the System and Membrane During Extended Periods of Non-Operation.
655139-03 Oil Absorbing Filter Cartridge - Oil-Water Separator Replacement Cartridge, 20" Big Blue Pentair Pentek  Filter
H-F10100CF Plankton Filter  - 10" Standard 100 Micron Spun Polypropylene Replacement Filter Cartridge

Common Applications for AMI Seawater Watermaker Elements:

  • Seawater Desalination
  • Marine Applications
  • Watermaker RO Systems
  • Yachts

Physical Dimensions of M-S3021A Sea Recovery Replacement Element

Reverse Osmosis Membrane for Watermakers and Seawater Desalination  
L 21 (533)
I 19 (48)
D 3 (76)
P 0.75 (19)

 Replacement Compatibility for AMI 3x21 SWRO Membranes

AMI 3021 membrane elements are intended to be used as direct replacements for Sea Recovery 2724011233 Seawater Membrane for use in any system using these membrane elements.  Some common systems using these elements are Sea Recovery Aquamatic 450-1, Aquamatic 900-2, Aqua Whisper DX 450-1, Aqua Whisper DX 900-2, Aqua Whisper PRO 450-1, Aqua Whisper PRO 900-2, Aqua Whisper Mini AM 170, and Ultra Whisper III 200.   AMI 3-Inch membrane elements may also be used in most Blue Water Desalination Water Maker Systems.

If you do not see your system listed or wish to learn more about compatibility, please contact us.  Our certified water treatment experts will be happy to discuss your application.  To ensure prompt and accurate information, please include as much information about your system as possible, such as:  model, manufacturer, model of membranes being replaced, any available. product manuals or literature associated with your system, and photographs of your system or membranes.